131507025 has 48 divisors (see below), whose sum is σ = 242276160. Its totient is φ = 62496000.

The previous prime is 131507021. The next prime is 131507063. The reversal of 131507025 is 520705131.

It is not a de Polignac number, because 131507025 - 2² = 131507021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131506986 and 131507004.

It is not an unprimeable number, because it can be changed into a prime (131507021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25950 + ... + 30600.

It is an arithmetic number, because the mean of its divisors is an integer number (5047420).

Almost surely, 2^131507025 is an apocalyptic number.

131507025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131507025 is a deficient number, since it is larger than the sum of its proper divisors (110769135).

131507025 is a wasteful number, since it uses less digits than its factorization.

131507025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 131507025 is about 11467.6512416449. The cubic root of 131507025 is about 508.5296945114.

The spelling of 131507025 in words is "one hundred thirty-one million, five hundred seven thousand, twenty-five".