253515355 has 8 divisors (see below), whose sum is σ = 304777872. Its totient is φ = 202439328.

The previous prime is 253515287. The next prime is 253515391. The reversal of 253515355 is 553515352.

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

It is a cyclic number.

It is not a de Polignac number, because 253515355 - 2¹⁷ = 253384283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253515355.

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, 43612 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (38097234).

Almost surely, 2^253515355 is an apocalyptic number.

253515355 is a deficient number, since it is larger than the sum of its proper divisors (51262517).

253515355 is an equidigital number, since it uses as much as digits as its factorization.

253515355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93245.

The product of its digits is 56250, while the sum is 34.

The square root of 253515355 is about 15922.1655248273. The cubic root of 253515355 is about 632.8995054541.

The spelling of 253515355 in words is "two hundred fifty-three million, five hundred fifteen thousand, three hundred fifty-five".