131262473 has 2 divisors, whose sum is σ = 131262474. Its totient is φ = 131262472.

The previous prime is 131262427. The next prime is 131262517. The reversal of 131262473 is 374262131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 6538249 = 11168^2 + 2557^2 .

It is an emirp because it is prime and its reverse (374262131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131262473 - 2⁸ = 131262217 is a prime.

It is not a weakly prime, because it can be changed into another prime (131262413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65631236 + 65631237.

It is an arithmetic number, because the mean of its divisors is an integer number (65631237).

Almost surely, 2^131262473 is an apocalyptic number.

It is an amenable number.

131262473 is a deficient number, since it is larger than the sum of its proper divisors (1).

131262473 is an equidigital number, since it uses as much as digits as its factorization.

131262473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 131262473 is about 11456.9835908061. The cubic root of 131262473 is about 508.2142763251.

The spelling of 131262473 in words is "one hundred thirty-one million, two hundred sixty-two thousand, four hundred seventy-three".