253909125375 has 16 divisors (see below), whose sum is σ = 422504785248. Its totient is φ = 135418200000.

The previous prime is 253909125367. The next prime is 253909125389. The reversal of 253909125375 is 573521909352.

It is a happy number.

It is not a de Polignac number, because 253909125375 - 2³ = 253909125367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338545126 + ... + 338545875.

It is an arithmetic number, because the mean of its divisors is an integer number (26406549078).

Almost surely, 2^253909125375 is an apocalyptic number.

253909125375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253909125375 is a deficient number, since it is larger than the sum of its proper divisors (168595659873).

253909125375 is an equidigital number, since it uses as much as digits as its factorization.

253909125375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677091019 (or 677091009 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 253909125375 in words is "two hundred fifty-three billion, nine hundred nine million, one hundred twenty-five thousand, three hundred seventy-five".