131527297 has 4 divisors (see below), whose sum is σ = 143484336. Its totient is φ = 119570260.

The previous prime is 131527273. The next prime is 131527301. The reversal of 131527297 is 792725131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792725131 = 11 ⋅72065921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131527297 is a prime.

It is a super-2 number, since 2×131527297² = 34598859712252418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131527237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5978503 + ... + 5978524.

It is an arithmetic number, because the mean of its divisors is an integer number (35871084).

Almost surely, 2^131527297 is an apocalyptic number.

It is an amenable number.

131527297 is a deficient number, since it is larger than the sum of its proper divisors (11957039).

131527297 is a wasteful number, since it uses less digits than its factorization.

131527297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957038.

The product of its digits is 26460, while the sum is 37.

The square root of 131527297 is about 11468.5350851798. The cubic root of 131527297 is about 508.5558233672. Note that the first 3 decimals are identical.

It can be divided in two parts, 13152 and 7297, that added together give a square (20449 = 143²).

The spelling of 131527297 in words is "one hundred thirty-one million, five hundred twenty-seven thousand, two hundred ninety-seven".