253393271 has 4 divisors (see below), whose sum is σ = 262131000. Its totient is φ = 244655544.

The previous prime is 253393237. The next prime is 253393289. The reversal of 253393271 is 172393352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253393271 - 2¹⁰ = 253392247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253393201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4368821 + ... + 4368878.

It is an arithmetic number, because the mean of its divisors is an integer number (65532750).

Almost surely, 2^253393271 is an apocalyptic number.

253393271 is a deficient number, since it is larger than the sum of its proper divisors (8737729).

253393271 is an equidigital number, since it uses as much as digits as its factorization.

253393271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737728.

The product of its digits is 34020, while the sum is 35.

The square root of 253393271 is about 15918.3312881721. The cubic root of 253393271 is about 632.7978951598.

The spelling of 253393271 in words is "two hundred fifty-three million, three hundred ninety-three thousand, two hundred seventy-one".