625434530 has 24 divisors (see below), whose sum is σ = 1309584348. Its totient is φ = 214434528.

The previous prime is 625434493. The next prime is 625434553. The reversal of 625434530 is 35434526.

It can be written as a sum of positive squares in 2 ways, for example, as 552861169 + 72573361 = 23513^2 + 8519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637709 + ... + 638688.

Almost surely, 2^625434530 is an apocalyptic number.

625434530 is an abundant number, since it is smaller than the sum of its proper divisors (684149818).

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

625434530 is a wasteful number, since it uses less digits than its factorization.

625434530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276418 (or 1276411 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 625434530 is about 25008.6890899943. The cubic root of 625434530 is about 855.1860703294.

The spelling of 625434530 in words is "six hundred twenty-five million, four hundred thirty-four thousand, five hundred thirty".