131097025 has 12 divisors (see below), whose sum is σ = 164055100. Its totient is φ = 103913280.

The previous prime is 131097007. The next prime is 131097101. The reversal of 131097025 is 520790131.

It can be written as a sum of positive squares in 6 ways, for example, as 17424 + 131079601 = 132^2 + 11449^2 .

It is not a de Polignac number, because 131097025 - 2⁵ = 131096993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131096984 and 131097002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21330 + ... + 26779.

Almost surely, 2^131097025 is an apocalyptic number.

It is an amenable number.

131097025 is a deficient number, since it is larger than the sum of its proper divisors (32958075).

131097025 is a wasteful number, since it uses less digits than its factorization.

131097025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228 (or 48223 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 131097025 is about 11449.7609145344. The cubic root of 131097025 is about 508.0006626255. Note that the first 3 decimals are identical.

The spelling of 131097025 in words is "one hundred thirty-one million, ninety-seven thousand, twenty-five".