253712431 has 8 divisors (see below), whose sum is σ = 295428384. Its totient is φ = 213364320.

The previous prime is 253712423. The next prime is 253712443. The reversal of 253712431 is 134217352.

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

It is a cyclic number.

It is not a de Polignac number, because 253712431 - 2³ = 253712423 is a prime.

It is a super-2 number, since 2×253712431² = 128739995287859522, 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 253712431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253712531) 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 7 ways as a sum of consecutive naturals, for example, 341560 + ... + 342301.

It is an arithmetic number, because the mean of its divisors is an integer number (36928548).

Almost surely, 2^253712431 is an apocalyptic number.

253712431 is a deficient number, since it is larger than the sum of its proper divisors (41715953).

253712431 is an equidigital number, since it uses as much as digits as its factorization.

253712431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683921.

The product of its digits is 5040, while the sum is 28.

The square root of 253712431 is about 15928.3530535960. The cubic root of 253712431 is about 633.0634626452.

Adding to 253712431 its reverse (134217352), we get a palindrome (387929783).

The spelling of 253712431 in words is "two hundred fifty-three million, seven hundred twelve thousand, four hundred thirty-one".