625881412 has 12 divisors (see below), whose sum is σ = 1179545836. Its totient is φ = 288868320.

The previous prime is 625881409. The next prime is 625881427. The reversal of 625881412 is 214188526.

It can be written as a sum of positive squares in 2 ways, for example, as 224520256 + 401361156 = 14984^2 + 20034^2 .

It is a super-2 number, since 2×625881412² = 783455083774227488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6018039 + ... + 6018142.

Almost surely, 2^625881412 is an apocalyptic number.

It is an amenable number.

625881412 is a deficient number, since it is larger than the sum of its proper divisors (553664424).

625881412 is a wasteful number, since it uses less digits than its factorization.

625881412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12036198 (or 12036196 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 625881412 is about 25017.6220292817. The cubic root of 625881412 is about 855.3897027684.

It can be divided in two parts, 62588 and 1412, that added together give a cube (64000 = 40³).

The spelling of 625881412 in words is "six hundred twenty-five million, eight hundred eighty-one thousand, four hundred twelve".