10315500 has 144 divisors (see below), whose sum is σ = 33817056. Its totient is φ = 2428800.

The previous prime is 10315483. The next prime is 10315531. The reversal of 10315500 is 551301.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10315500.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448489 + ... + 448511.

Almost surely, 2^10315500 is an apocalyptic number.

10315500 is a gapful number since it is divisible by the number (10) 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 10315500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16908528).

10315500 is an abundant number, since it is smaller than the sum of its proper divisors (23501556).

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

10315500 is a wasteful number, since it uses less digits than its factorization.

10315500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 10315500 is about 3211.7752100669. The cubic root of 10315500 is about 217.6857971122.

Adding to 10315500 its reverse (551301), we get a palindrome (10866801).

The spelling of 10315500 in words is "ten million, three hundred fifteen thousand, five hundred".