253502155 has 8 divisors (see below), whose sum is σ = 304290000. Its totient is φ = 202743456.

The previous prime is 253502149. The next prime is 253502167. The reversal of 253502155 is 551205352.

253502155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253502155 - 2²¹ = 251405003 is a prime.

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, 24336 + ... + 33154.

It is an arithmetic number, because the mean of its divisors is an integer number (38036250).

Almost surely, 2^253502155 is an apocalyptic number.

253502155 is a deficient number, since it is larger than the sum of its proper divisors (50787845).

253502155 is an equidigital number, since it uses as much as digits as its factorization.

253502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 253502155 is about 15921.7510029519. The cubic root of 253502155 is about 632.8885206909. Note that the first 3 decimals are identical.

The spelling of 253502155 in words is "two hundred fifty-three million, five hundred two thousand, one hundred fifty-five".