627785325 has 18 divisors (see below), whose sum is σ = 1124433674. Its totient is φ = 334818720.

The previous prime is 627785297. The next prime is 627785339. The reversal of 627785325 is 523587726.

It can be written as a sum of positive squares in 3 ways, for example, as 3884841 + 623900484 = 1971^2 + 24978^2 .

It is not a de Polignac number, because 627785325 - 2⁵ = 627785293 is a prime.

It is a super-2 number, since 2×627785325² = 788228828570711250, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1394854 + ... + 1395303.

Almost surely, 2^627785325 is an apocalyptic number.

It is an amenable number.

627785325 is a deficient number, since it is larger than the sum of its proper divisors (496648349).

627785325 is a wasteful number, since it uses less digits than its factorization.

627785325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790173 (or 2790165 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 627785325 is about 25055.6445736285. The cubic root of 627785325 is about 856.2561816024.

The spelling of 627785325 in words is "six hundred twenty-seven million, seven hundred eighty-five thousand, three hundred twenty-five".