253156625 has 8 divisors (see below), whose sum is σ = 315939624. Its totient is φ = 202525200.

The previous prime is 253156613. The next prime is 253156637. The reversal of 253156625 is 526651352.

It is an interprime number because it is at equal distance from previous prime (253156613) and next prime (253156637).

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 246144721 = 2648^2 + 15689^2 .

It is not a de Polignac number, because 253156625 - 2¹⁴ = 253140241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012502 + ... + 1012751.

It is an arithmetic number, because the mean of its divisors is an integer number (39492453).

Almost surely, 2^253156625 is an apocalyptic number.

253156625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253156625 is a deficient number, since it is larger than the sum of its proper divisors (62782999).

253156625 is an equidigital number, since it uses as much as digits as its factorization.

253156625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025268 (or 2025258 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 253156625 is about 15910.8964235206. The cubic root of 253156625 is about 632.6008421341.

The spelling of 253156625 in words is "two hundred fifty-three million, one hundred fifty-six thousand, six hundred twenty-five".