253271231 has 4 divisors (see below), whose sum is σ = 253578312. Its totient is φ = 252964152.

The previous prime is 253271191. The next prime is 253271281. The reversal of 253271231 is 132172352.

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 253271231 - 2⁶ = 253271167 is a prime.

It is a super-2 number, since 2×253271231² = 128292632904510722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253271231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253271281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 152300 + ... + 153953.

It is an arithmetic number, because the mean of its divisors is an integer number (63394578).

Almost surely, 2^253271231 is an apocalyptic number.

253271231 is a deficient number, since it is larger than the sum of its proper divisors (307081).

253271231 is an equidigital number, since it uses as much as digits as its factorization.

253271231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307080.

The product of its digits is 2520, while the sum is 26.

The square root of 253271231 is about 15914.4975101321. The cubic root of 253271231 is about 632.6962888619.

The spelling of 253271231 in words is "two hundred fifty-three million, two hundred seventy-one thousand, two hundred thirty-one".