625574401 has 8 divisors (see below), whose sum is σ = 656550720. Its totient is φ = 594912912.

The previous prime is 625574357. The next prime is 625574407. The reversal of 625574401 is 104475526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625574401 - 2⁷ = 625574273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625574407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74631 + ... + 82588.

It is an arithmetic number, because the mean of its divisors is an integer number (82068840).

Almost surely, 2^625574401 is an apocalyptic number.

It is an amenable number.

625574401 is a deficient number, since it is larger than the sum of its proper divisors (30976319).

625574401 is a wasteful number, since it uses less digits than its factorization.

625574401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157415.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 625574401 is about 25011.4853817201. The cubic root of 625574401 is about 855.2498163115.

It can be divided in two parts, 6255 and 74401, that added together give a square (80656 = 284²).

The spelling of 625574401 in words is "six hundred twenty-five million, five hundred seventy-four thousand, four hundred one".