131252453 has 4 divisors (see below), whose sum is σ = 131275788. Its totient is φ = 131229120.

The previous prime is 131252447. The next prime is 131252477. The reversal of 131252453 is 354252131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80586529 + 50665924 = 8977^2 + 7118^2 .

It is a cyclic number.

It is not a de Polignac number, because 131252453 - 2⁸ = 131252197 is a prime.

It is a super-3 number, since 3×131252453³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (32818947).

Almost surely, 2^131252453 is an apocalyptic number.

It is an amenable number.

131252453 is a deficient number, since it is larger than the sum of its proper divisors (23335).

131252453 is an equidigital number, since it uses as much as digits as its factorization.

131252453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23334.

The product of its digits is 3600, while the sum is 26.

The square root of 131252453 is about 11456.5462945863. The cubic root of 131252453 is about 508.2013443817.

The spelling of 131252453 in words is "one hundred thirty-one million, two hundred fifty-two thousand, four hundred fifty-three".