253606625 has 16 divisors (see below), whose sum is σ = 330265728. Its totient is φ = 194062000.

The previous prime is 253606609. The next prime is 253606631. The reversal of 253606625 is 526606352.

It is not a de Polignac number, because 253606625 - 2⁴ = 253606609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41231 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (20641608).

Almost surely, 2^253606625 is an apocalyptic number.

253606625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253606625 is a deficient number, since it is larger than the sum of its proper divisors (76659103).

253606625 is an equidigital number, since it uses as much as digits as its factorization.

253606625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88249 (or 88239 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 253606625 is about 15925.0313971433. The cubic root of 253606625 is about 632.9754480036.

The spelling of 253606625 in words is "two hundred fifty-three million, six hundred six thousand, six hundred twenty-five".