253670523 has 4 divisors (see below), whose sum is σ = 338227368. Its totient is φ = 169113680.

The previous prime is 253670503. The next prime is 253670579. The reversal of 253670523 is 325076352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253670523 - 2⁵ = 253670491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253670503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42278418 + ... + 42278423.

It is an arithmetic number, because the mean of its divisors is an integer number (84556842).

Almost surely, 2^253670523 is an apocalyptic number.

253670523 is a deficient number, since it is larger than the sum of its proper divisors (84556845).

253670523 is an equidigital number, since it uses as much as digits as its factorization.

253670523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84556844.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 253670523 is about 15927.0374834744. The cubic root of 253670523 is about 633.0286044340.

The spelling of 253670523 in words is "two hundred fifty-three million, six hundred seventy thousand, five hundred twenty-three".