625671425 has 24 divisors (see below), whose sum is σ = 821777760. Its totient is φ = 471225600.

The previous prime is 625671421. The next prime is 625671511. The reversal of 625671425 is 524176526.

It is not a de Polignac number, because 625671425 - 2² = 625671421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625671421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73385 + ... + 81465.

It is an arithmetic number, because the mean of its divisors is an integer number (34240740).

Almost surely, 2^625671425 is an apocalyptic number.

It is an amenable number.

625671425 is a deficient number, since it is larger than the sum of its proper divisors (196106335).

625671425 is a wasteful number, since it uses less digits than its factorization.

625671425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273 (or 8268 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 625671425 is about 25013.4248954436. The cubic root of 625671425 is about 855.2940292612.

The spelling of 625671425 in words is "six hundred twenty-five million, six hundred seventy-one thousand, four hundred twenty-five".