625251425 has 12 divisors (see below), whose sum is σ = 785128320. Its totient is φ = 493867920.

The previous prime is 625251421. The next prime is 625251439. The reversal of 625251425 is 524152526.

It is not a de Polignac number, because 625251425 - 2² = 625251421 is a prime.

It is a super-3 number, since 3×625251425³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625251391 and 625251400.

It is not an unprimeable number, because it can be changed into a prime (625251421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156317 + ... + 160266.

It is an arithmetic number, because the mean of its divisors is an integer number (65427360).

Almost surely, 2^625251425 is an apocalyptic number.

It is an amenable number.

625251425 is a deficient number, since it is larger than the sum of its proper divisors (159876895).

625251425 is a wasteful number, since it uses less digits than its factorization.

625251425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316672 (or 316667 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 625251425 is about 25005.0279943854. The cubic root of 625251425 is about 855.1026061555.

The spelling of 625251425 in words is "six hundred twenty-five million, two hundred fifty-one thousand, four hundred twenty-five".