131567025 has 24 divisors (see below), whose sum is σ = 217977120. Its totient is φ = 70023040.

The previous prime is 131567021. The next prime is 131567071. The reversal of 131567025 is 520765131.

It is not a de Polignac number, because 131567025 - 2² = 131567021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131566983 and 131567001.

It is not an unprimeable number, because it can be changed into a prime (131567021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41134 + ... + 44216.

It is an arithmetic number, because the mean of its divisors is an integer number (9082380).

Almost surely, 2^131567025 is an apocalyptic number.

131567025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131567025 is a deficient number, since it is larger than the sum of its proper divisors (86410095).

131567025 is a wasteful number, since it uses less digits than its factorization.

131567025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 131567025 is about 11470.2669977643. The cubic root of 131567025 is about 508.6070215401.

The spelling of 131567025 in words is "one hundred thirty-one million, five hundred sixty-seven thousand, twenty-five".