131572610 has 16 divisors (see below), whose sum is σ = 255048696. Its totient is φ = 48580608.

The previous prime is 131572583. The next prime is 131572613. The reversal of 131572610 is 16275131.

It can be written as a sum of positive squares in 4 ways, for example, as 92871769 + 38700841 = 9637^2 + 6221^2 .

It is a super-2 number, since 2×131572610² = 34622703404424200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 131572610.

It is not an unprimeable number, because it can be changed into a prime (131572613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505919 + ... + 506178.

Almost surely, 2^131572610 is an apocalyptic number.

131572610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131572610 is a deficient number, since it is larger than the sum of its proper divisors (123476086).

131572610 is a wasteful number, since it uses less digits than its factorization.

131572610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012117.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 131572610 is about 11470.5104507167. The cubic root of 131572610 is about 508.6142182016.

The spelling of 131572610 in words is "one hundred thirty-one million, five hundred seventy-two thousand, six hundred ten".