131925571 has 2 divisors, whose sum is σ = 131925572. Its totient is φ = 131925570.

The previous prime is 131925551. The next prime is 131925589. The reversal of 131925571 is 175529131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131925571 is a prime.

It is not a weakly prime, because it can be changed into another prime (131925511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65962785 + 65962786.

It is an arithmetic number, because the mean of its divisors is an integer number (65962786).

Almost surely, 2^131925571 is an apocalyptic number.

131925571 is a deficient number, since it is larger than the sum of its proper divisors (1).

131925571 is an equidigital number, since it uses as much as digits as its factorization.

131925571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 34.

The square root of 131925571 is about 11485.8857298861. The cubic root of 131925571 is about 509.0686205078.

It can be divided in two parts, 131925 and 571, that added together give a square (132496 = 364²).

The spelling of 131925571 in words is "one hundred thirty-one million, nine hundred twenty-five thousand, five hundred seventy-one".