131582825 has 12 divisors (see below), whose sum is σ = 177996048. Its totient is φ = 95696400.

The previous prime is 131582813. The next prime is 131582827. The reversal of 131582825 is 528285131.

It is not a de Polignac number, because 131582825 - 2¹² = 131578729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131582827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238967 + ... + 239516.

It is an arithmetic number, because the mean of its divisors is an integer number (14833004).

Almost surely, 2^131582825 is an apocalyptic number.

It is an amenable number.

131582825 is a deficient number, since it is larger than the sum of its proper divisors (46413223).

131582825 is a wasteful number, since it uses less digits than its factorization.

131582825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478504 (or 478499 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 131582825 is about 11470.9557143248. The cubic root of 131582825 is about 508.6273804137.

The spelling of 131582825 in words is "one hundred thirty-one million, five hundred eighty-two thousand, eight hundred twenty-five".