131253337 has 2 divisors, whose sum is σ = 131253338. Its totient is φ = 131253336.

The previous prime is 131253313. The next prime is 131253371. The reversal of 131253337 is 733352131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116229961 + 15023376 = 10781^2 + 3876^2 .

It is an emirp because it is prime and its reverse (733352131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131253337 is a prime.

It is not a weakly prime, because it can be changed into another prime (131250337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65626668 + 65626669.

It is an arithmetic number, because the mean of its divisors is an integer number (65626669).

Almost surely, 2^131253337 is an apocalyptic number.

It is an amenable number.

131253337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131253337 is an equidigital number, since it uses as much as digits as its factorization.

131253337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 28.

The square root of 131253337 is about 11456.5848750838. The cubic root of 131253337 is about 508.2024853102.

The spelling of 131253337 in words is "one hundred thirty-one million, two hundred fifty-three thousand, three hundred thirty-seven".