253368535 has 8 divisors (see below), whose sum is σ = 347476896. Its totient is φ = 173738400.

The previous prime is 253368523. The next prime is 253368551. The reversal of 253368535 is 535863352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253368535 - 2⁵ = 253368503 is a prime.

It is a super-2 number, since 2×253368535² = 128391229056092450, which contains 22 as substring.

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, 3619516 + ... + 3619585.

It is an arithmetic number, because the mean of its divisors is an integer number (43434612).

Almost surely, 2^253368535 is an apocalyptic number.

253368535 is a deficient number, since it is larger than the sum of its proper divisors (94108361).

253368535 is an equidigital number, since it uses as much as digits as its factorization.

253368535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239113.

The product of its digits is 324000, while the sum is 40.

The square root of 253368535 is about 15917.5543033470. The cubic root of 253368535 is about 632.7773034552. Note that the first 3 decimals are identical.

The spelling of 253368535 in words is "two hundred fifty-three million, three hundred sixty-eight thousand, five hundred thirty-five".