253602155 has 8 divisors (see below), whose sum is σ = 304419600. Its totient is φ = 202817056.

The previous prime is 253602143. The next prime is 253602161. The reversal of 253602155 is 551206352.

It is a happy number.

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 253602155 - 2²⁰ = 252553579 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15341 + ... + 27249.

It is an arithmetic number, because the mean of its divisors is an integer number (38052450).

Almost surely, 2^253602155 is an apocalyptic number.

253602155 is a deficient number, since it is larger than the sum of its proper divisors (50817445).

253602155 is a wasteful number, since it uses less digits than its factorization.

253602155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 253602155 is about 15924.8910514327. The cubic root of 253602155 is about 632.9717290985.

The spelling of 253602155 in words is "two hundred fifty-three million, six hundred two thousand, one hundred fifty-five".