131361253 has 4 divisors (see below), whose sum is σ = 134565228. Its totient is φ = 128157280.

The previous prime is 131361247. The next prime is 131361281. The reversal of 131361253 is 352163131.

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 25826724 + 105534529 = 5082^2 + 10273^2 .

It is a cyclic number.

It is not a de Polignac number, because 131361253 - 2⁵ = 131361221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361203) 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, 1601926 + ... + 1602007.

It is an arithmetic number, because the mean of its divisors is an integer number (33641307).

Almost surely, 2^131361253 is an apocalyptic number.

It is an amenable number.

131361253 is a deficient number, since it is larger than the sum of its proper divisors (3203975).

131361253 is an equidigital number, since it uses as much as digits as its factorization.

131361253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203974.

The product of its digits is 1620, while the sum is 25.

The square root of 131361253 is about 11461.2936878871. The cubic root of 131361253 is about 508.3417278795.

The spelling of 131361253 in words is "one hundred thirty-one million, three hundred sixty-one thousand, two hundred fifty-three".