625402272 has 48 divisors (see below), whose sum is σ = 1790927712. Its totient is φ = 189515520.

The previous prime is 625402259. The next prime is 625402367. The reversal of 625402272 is 272204526.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×625402272² = 782256003645523968, which contains 22 as substring.

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, 295063 + ... + 297174.

It is an arithmetic number, because the mean of its divisors is an integer number (37310994).

Almost surely, 2^625402272 is an apocalyptic number.

It is an amenable number.

625402272 is an abundant number, since it is smaller than the sum of its proper divisors (1165525440).

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

625402272 is a wasteful number, since it uses less digits than its factorization.

625402272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592261 (or 592253 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 625402272 is about 25008.0441458344. The cubic root of 625402272 is about 855.1713674494.

Adding to 625402272 its reverse (272204526), we get a palindrome (897606798).

The spelling of 625402272 in words is "six hundred twenty-five million, four hundred two thousand, two hundred seventy-two".