253120431 has 8 divisors (see below), whose sum is σ = 338013360. Its totient is φ = 168487232.

The previous prime is 253120409. The next prime is 253120447. The reversal of 253120431 is 134021352.

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 253120431 - 2¹³ = 253112239 is a prime.

It is a super-2 number, since 2×253120431² = 128139905179251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253120398 and 253120407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253120471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62646 + ... + 66563.

It is an arithmetic number, because the mean of its divisors is an integer number (42251670).

Almost surely, 2^253120431 is an apocalyptic number.

253120431 is a deficient number, since it is larger than the sum of its proper divisors (84892929).

253120431 is a wasteful number, since it uses less digits than its factorization.

253120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129865.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253120431 is about 15909.7589862323. The cubic root of 253120431 is about 632.5706928854.

Adding to 253120431 its reverse (134021352), we get a palindrome (387141783).

The spelling of 253120431 in words is "two hundred fifty-three million, one hundred twenty thousand, four hundred thirty-one".