2912500 has 36 divisors (see below), whose sum is σ = 6398028. Its totient is φ = 1160000.

The previous prime is 2912479. The next prime is 2912501. The reversal of 2912500 is 52192.

2912500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2702736 + 209764 = 1644^2 + 458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912501) 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 11 ways as a sum of consecutive naturals, for example, 12384 + ... + 12616.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

2^2912500 is an apocalyptic number.

2912500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2912500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199014).

2912500 is an abundant number, since it is smaller than the sum of its proper divisors (3485528).

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

2912500 is an equidigital number, since it uses as much as digits as its factorization.

2912500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2912500 is about 1706.6048165876. The cubic root of 2912500 is about 142.8089122899.

Adding to 2912500 its reverse (52192), we get a palindrome (2964692).

The spelling of 2912500 in words is "two million, nine hundred twelve thousand, five hundred".