131151025 has 12 divisors (see below), whose sum is σ = 164240604. Its totient is φ = 103880000.

The previous prime is 131151017. The next prime is 131151047. The reversal of 131151025 is 520151131.

It can be written as a sum of positive squares in 6 ways, for example, as 2985984 + 128165041 = 1728^2 + 11321^2 .

It is not a de Polignac number, because 131151025 - 2³ = 131151017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131150993 and 131151011.

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, 23446 + ... + 28495.

It is an arithmetic number, because the mean of its divisors is an integer number (13686717).

Almost surely, 2^131151025 is an apocalyptic number.

It is an amenable number.

131151025 is a deficient number, since it is larger than the sum of its proper divisors (33089579).

131151025 is a wasteful number, since it uses less digits than its factorization.

131151025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52052 (or 52047 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 131151025 is about 11452.1187995934. The cubic root of 131151025 is about 508.0704030083.

The spelling of 131151025 in words is "one hundred thirty-one million, one hundred fifty-one thousand, twenty-five".