253163869 has 8 divisors (see below), whose sum is σ = 289601280. Its totient is φ = 216794256.

The previous prime is 253163863. The next prime is 253163891. The reversal of 253163869 is 968361352.

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

It is not a de Polignac number, because 253163869 - 2¹⁵ = 253131101 is a prime.

It is a super-2 number, since 2×253163869² = 128183889134098322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253163863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (36200160).

Almost surely, 2^253163869 is an apocalyptic number.

It is an amenable number.

253163869 is a deficient number, since it is larger than the sum of its proper divisors (36437411).

253163869 is a wasteful number, since it uses less digits than its factorization.

253163869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33899.

The product of its digits is 233280, while the sum is 43.

The square root of 253163869 is about 15911.1240646285. The cubic root of 253163869 is about 632.6068759703.

The spelling of 253163869 in words is "two hundred fifty-three million, one hundred sixty-three thousand, eight hundred sixty-nine".