131535253 has 2 divisors, whose sum is σ = 131535254. Its totient is φ = 131535252.

The previous prime is 131535251. The next prime is 131535301. The reversal of 131535253 is 352535131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 19873764 = 10567^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 131535253 - 2¹ = 131535251 is a prime.

Together with 131535251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131535251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65767626 + 65767627.

It is an arithmetic number, because the mean of its divisors is an integer number (65767627).

Almost surely, 2^131535253 is an apocalyptic number.

It is an amenable number.

131535253 is a deficient number, since it is larger than the sum of its proper divisors (1).

131535253 is an equidigital number, since it uses as much as digits as its factorization.

131535253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 28.

The square root of 131535253 is about 11468.8819420203. The cubic root of 131535253 is about 508.5660772300.

The spelling of 131535253 in words is "one hundred thirty-one million, five hundred thirty-five thousand, two hundred fifty-three".