2585351625 has 32 divisors (see below), whose sum is σ = 4307766528. Its totient is φ = 1377014400.

The previous prime is 2585351623. The next prime is 2585351633. The reversal of 2585351625 is 5261535852.

It is not a de Polignac number, because 2585351625 - 2¹ = 2585351623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2585351623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304437 + ... + 312813.

It is an arithmetic number, because the mean of its divisors is an integer number (134617704).

Almost surely, 2^2585351625 is an apocalyptic number.

2585351625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2585351625 is a deficient number, since it is larger than the sum of its proper divisors (1722414903).

2585351625 is an equidigital number, since it uses as much as digits as its factorization.

2585351625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218 (or 9208 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 2585351625 is about 50846.3531140632. The cubic root of 2585351625 is about 1372.4816272205.

The spelling of 2585351625 in words is "two billion, five hundred eighty-five million, three hundred fifty-one thousand, six hundred twenty-five".