253161105 has 8 divisors (see below), whose sum is σ = 405057792. Its totient is φ = 135019248.

The previous prime is 253161071. The next prime is 253161121. The reversal of 253161105 is 501161352.

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

It is not a de Polignac number, because 253161105 - 2¹⁶ = 253095569 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, 8438689 + ... + 8438718.

It is an arithmetic number, because the mean of its divisors is an integer number (50632224).

Almost surely, 2^253161105 is an apocalyptic number.

It is an amenable number.

253161105 is a deficient number, since it is larger than the sum of its proper divisors (151896687).

253161105 is a wasteful number, since it uses less digits than its factorization.

253161105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16877415.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 253161105 is about 15911.0372069202. The cubic root of 253161105 is about 632.6045737305.

It can be divided in two parts, 2531 and 61105, that added together give a palindrome (63636).

The spelling of 253161105 in words is "two hundred fifty-three million, one hundred sixty-one thousand, one hundred five".