315153250 has 32 divisors (see below), whose sum is σ = 594532224. Its totient is φ = 125086000.

The previous prime is 315153227. The next prime is 315153253. The reversal of 315153250 is 52351513.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (315153253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27939 + ... + 37561.

It is an arithmetic number, because the mean of its divisors is an integer number (18579132).

Almost surely, 2^315153250 is an apocalyptic number.

315153250 is a deficient number, since it is larger than the sum of its proper divisors (279378974).

315153250 is a wasteful number, since it uses less digits than its factorization.

315153250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 315153250 is about 17752.5561539740. The cubic root of 315153250 is about 680.5195352000.

The spelling of 315153250 in words is "three hundred fifteen million, one hundred fifty-three thousand, two hundred fifty".