625342478 has 16 divisors (see below), whose sum is σ = 1019235840. Its totient is φ = 286659000.

The previous prime is 625342463. The next prime is 625342489. The reversal of 625342478 is 874243526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264248 + ... + 266603.

It is an arithmetic number, because the mean of its divisors is an integer number (63702240).

Almost surely, 2^625342478 is an apocalyptic number.

625342478 is a deficient number, since it is larger than the sum of its proper divisors (393893362).

625342478 is a wasteful number, since it uses less digits than its factorization.

625342478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530903.

The product of its digits is 322560, while the sum is 41.

The square root of 625342478 is about 25006.8486219276. The cubic root of 625342478 is about 855.1441125935.

The spelling of 625342478 in words is "six hundred twenty-five million, three hundred forty-two thousand, four hundred seventy-eight".