253858625 has 16 divisors (see below), whose sum is σ = 317428176. Its totient is φ = 202694400.

The previous prime is 253858621. The next prime is 253858667. The reversal of 253858625 is 526858352.

It can be written as a sum of positive squares in 8 ways, for example, as 109474369 + 144384256 = 10463^2 + 12016^2 .

It is not a de Polignac number, because 253858625 - 2² = 253858621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253858621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74969 + ... + 78281.

It is an arithmetic number, because the mean of its divisors is an integer number (19839261).

Almost surely, 2^253858625 is an apocalyptic number.

253858625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253858625 is a deficient number, since it is larger than the sum of its proper divisors (63569551).

253858625 is an equidigital number, since it uses as much as digits as its factorization.

253858625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3931 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 253858625 is about 15932.9415049450. The cubic root of 253858625 is about 633.1850337599.

The spelling of 253858625 in words is "two hundred fifty-three million, eight hundred fifty-eight thousand, six hundred twenty-five".