625385475 has 288 divisors, whose sum is σ = 1477683200. Its totient is φ = 256608000.

The previous prime is 625385471. The next prime is 625385483. The reversal of 625385475 is 574583526.

625385475 is a `hidden beast` number, since 62 + 538 + 54 + 7 + 5 = 666.

It is not a de Polignac number, because 625385475 - 2² = 625385471 is a prime.

It is a super-2 number, since 2×625385475² = 782213984681951250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 625385475.

It is not an unprimeable number, because it can be changed into a prime (625385471) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 20173710 + ... + 20173740.

Almost surely, 2^625385475 is an apocalyptic number.

625385475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

625385475 is an abundant number, since it is smaller than the sum of its proper divisors (852297725).

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

625385475 is a wasteful number, since it uses less digits than its factorization.

625385475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 625385475 is about 25007.7083116386. The cubic root of 625385475 is about 855.1637113414.

The spelling of 625385475 in words is "six hundred twenty-five million, three hundred eighty-five thousand, four hundred seventy-five".