628750315 has 16 divisors (see below), whose sum is σ = 776563200. Its totient is φ = 488498272.

The previous prime is 628750273. The next prime is 628750319. The reversal of 628750315 is 513057826.

It is a cyclic number.

It is not a de Polignac number, because 628750315 - 2¹³ = 628742123 is a prime.

It is a super-2 number, since 2×628750315² = 790653917225198450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628750319) 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, 11646 + ... + 37324.

It is an arithmetic number, because the mean of its divisors is an integer number (48535200).

Almost surely, 2^628750315 is an apocalyptic number.

628750315 is a deficient number, since it is larger than the sum of its proper divisors (147812885).

628750315 is a wasteful number, since it uses less digits than its factorization.

628750315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25826.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 628750315 is about 25074.8941174235. The cubic root of 628750315 is about 856.6946837538.

The spelling of 628750315 in words is "six hundred twenty-eight million, seven hundred fifty thousand, three hundred fifteen".