253696271 has 4 divisors (see below), whose sum is σ = 259094112. Its totient is φ = 248298432.

The previous prime is 253696249. The next prime is 253696273. The reversal of 253696271 is 172696352.

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 253696271 - 2²⁶ = 186587407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253696273) 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, 2698850 + ... + 2698943.

It is an arithmetic number, because the mean of its divisors is an integer number (64773528).

Almost surely, 2^253696271 is an apocalyptic number.

253696271 is a deficient number, since it is larger than the sum of its proper divisors (5397841).

253696271 is an equidigital number, since it uses as much as digits as its factorization.

253696271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397840.

The product of its digits is 136080, while the sum is 41.

The square root of 253696271 is about 15927.8457739897. The cubic root of 253696271 is about 633.0500215448.

The spelling of 253696271 in words is "two hundred fifty-three million, six hundred ninety-six thousand, two hundred seventy-one".