131290253 has 4 divisors (see below), whose sum is σ = 131509308. Its totient is φ = 131071200.

The previous prime is 131290199. The next prime is 131290267. The reversal of 131290253 is 352092131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352092131 = 17497 ⋅20123.

It can be written as a sum of positive squares in 2 ways, for example, as 109788484 + 21501769 = 10478^2 + 4637^2 .

It is a cyclic number.

It is not a de Polignac number, because 131290253 - 2⁶ = 131290189 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 (131290283) 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, 108626 + ... + 109827.

It is an arithmetic number, because the mean of its divisors is an integer number (32877327).

Almost surely, 2^131290253 is an apocalyptic number.

It is an amenable number.

131290253 is a deficient number, since it is larger than the sum of its proper divisors (219055).

131290253 is an equidigital number, since it uses as much as digits as its factorization.

131290253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219054.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 131290253 is about 11458.1958876605. The cubic root of 131290253 is about 508.2501261163.

The spelling of 131290253 in words is "one hundred thirty-one million, two hundred ninety thousand, two hundred fifty-three".