1253132531 has 8 divisors (see below), whose sum is σ = 1465457664. Its totient is φ = 1049133960.

The previous prime is 1253132513. The next prime is 1253132537. The reversal of 1253132531 is 1352313521.

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

It is not a de Polignac number, because 1253132531 - 2¹⁸ = 1252870387 is a prime.

It is a super-2 number, since 2×1253132531² = 3140682280500931922, 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 1253132531.

It is not an unprimeable number, because it can be changed into a prime (1253132537) 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, 2081315 + ... + 2081916.

It is an arithmetic number, because the mean of its divisors is an integer number (183182208).

Almost surely, 2^1253132531 is an apocalyptic number.

1253132531 is a deficient number, since it is larger than the sum of its proper divisors (212325133).

1253132531 is an equidigital number, since it uses as much as digits as its factorization.

1253132531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163281.

The product of its digits is 2700, while the sum is 26.

The square root of 1253132531 is about 35399.6120176479. The cubic root of 1253132531 is about 1078.1164388437.

The spelling of 1253132531 in words is "one billion, two hundred fifty-three million, one hundred thirty-two thousand, five hundred thirty-one".