315250650 has 384 divisors, whose sum is σ = 1079930880. Its totient is φ = 66528000.

The previous prime is 315250613. The next prime is 315250651. The reversal of 315250650 is 56052513.

315250650 is a `hidden beast` number, since 3 + 1 + 5 + 2 + 5 + 0 + 650 = 666.

315250650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (315250651) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4440115 + ... + 4440185.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^315250650 is an apocalyptic number.

315250650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315250650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

315250650 is an abundant number, since it is smaller than the sum of its proper divisors (764680230).

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

315250650 is a wasteful number, since it uses less digits than its factorization.

315250650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 315250650 is about 17755.2992089686. The cubic root of 315250650 is about 680.5896341921.

The spelling of 315250650 in words is "three hundred fifteen million, two hundred fifty thousand, six hundred fifty".