4312500 has 84 divisors (see below), whose sum is σ = 13124832. Its totient is φ = 1100000.

The previous prime is 4312499. The next prime is 4312501. The reversal of 4312500 is 52134.

It is an interprime number because it is at equal distance from previous prime (4312499) and next prime (4312501).

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4312500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 187489 + ... + 187511.

It is an arithmetic number, because the mean of its divisors is an integer number (156248).

Almost surely, 2^4312500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562416).

4312500 is an abundant number, since it is smaller than the sum of its proper divisors (8812332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4312500 is an equidigital number, since it uses as much as digits as its factorization.

4312500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 4312500 is about 2076.6559657295. The cubic root of 4312500 is about 162.7707517882.

Adding to 4312500 its reverse (52134), we get a palindrome (4364634).

The spelling of 4312500 in words is "four million, three hundred twelve thousand, five hundred".