253412431 has 12 divisors (see below), whose sum is σ = 261261936. Its totient is φ = 245790080.

The previous prime is 253412407. The next prime is 253412437. The reversal of 253412431 is 134214352.

It is not a de Polignac number, because 253412431 - 2⁹ = 253411919 is a prime.

It is a super-2 number, since 2×253412431² = 128435720370659522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253412396 and 253412405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253412437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391350 + ... + 391996.

It is an arithmetic number, because the mean of its divisors is an integer number (21771828).

Almost surely, 2^253412431 is an apocalyptic number.

253412431 is a deficient number, since it is larger than the sum of its proper divisors (7849505).

253412431 is an equidigital number, since it uses as much as digits as its factorization.

253412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 921 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 253412431 is about 15918.9330986722. The cubic root of 253412431 is about 632.8138441522.

Adding to 253412431 its reverse (134214352), we get a palindrome (387626783).

It can be divided in two parts, 25341 and 2431, that added together give a palindrome (27772).

The spelling of 253412431 in words is "two hundred fifty-three million, four hundred twelve thousand, four hundred thirty-one".