253945375 has 8 divisors (see below), whose sum is σ = 316923984. Its totient is φ = 203156200.

The previous prime is 253945333. The next prime is 253945423. The reversal of 253945375 is 573549352.

It is not a de Polignac number, because 253945375 - 2⁷ = 253945247 is a prime.

It is a Duffinian number.

It is a congruent 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, 1015657 + ... + 1015906.

It is an arithmetic number, because the mean of its divisors is an integer number (39615498).

Almost surely, 2^253945375 is an apocalyptic number.

253945375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253945375 is a deficient number, since it is larger than the sum of its proper divisors (62978609).

253945375 is an equidigital number, since it uses as much as digits as its factorization.

253945375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031578 (or 2031568 counting only the distinct ones).

The product of its digits is 567000, while the sum is 43.

The square root of 253945375 is about 15935.6636196928. The cubic root of 253945375 is about 633.2571507318.

The spelling of 253945375 in words is "two hundred fifty-three million, nine hundred forty-five thousand, three hundred seventy-five".