315042500 has 60 divisors (see below), whose sum is σ = 719019840. Its totient is φ = 120516000.

The previous prime is 315042499. The next prime is 315042503. The reversal of 315042500 is 5240513.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54761 + ... + 60239.

It is an arithmetic number, because the mean of its divisors is an integer number (11983664).

Almost surely, 2^315042500 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 315042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359509920).

315042500 is an abundant number, since it is smaller than the sum of its proper divisors (403977340).

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

315042500 is a wasteful number, since it uses less digits than its factorization.

315042500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526 (or 5509 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 315042500 is about 17749.4366107773. The cubic root of 315042500 is about 680.4398106335.

The spelling of 315042500 in words is "three hundred fifteen million, forty-two thousand, five hundred".