253715375 has 8 divisors (see below), whose sum is σ = 316636944. Its totient is φ = 202972200.

The previous prime is 253715309. The next prime is 253715381. The reversal of 253715375 is 573517352.

It is a de Polignac number, because none of the positive numbers 2^k-253715375 is a prime.

It is a super-2 number, since 2×253715375² = 128742983022781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014737 + ... + 1014986.

It is an arithmetic number, because the mean of its divisors is an integer number (39579618).

Almost surely, 2^253715375 is an apocalyptic number.

253715375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253715375 is a deficient number, since it is larger than the sum of its proper divisors (62921569).

253715375 is an equidigital number, since it uses as much as digits as its factorization.

253715375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029738 (or 2029728 counting only the distinct ones).

The product of its digits is 110250, while the sum is 38.

The square root of 253715375 is about 15928.4454671509. The cubic root of 253715375 is about 633.0659112594.

The spelling of 253715375 in words is "two hundred fifty-three million, seven hundred fifteen thousand, three hundred seventy-five".