131570325 has 60 divisors (see below), whose sum is σ = 249546528. Its totient is φ = 68493600.

The previous prime is 131570323. The next prime is 131570333. The reversal of 131570325 is 523075131.

It is not a de Polignac number, because 131570325 - 2¹ = 131570323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131570323) 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 59 ways as a sum of consecutive naturals, for example, 86320 + ... + 87830.

Almost surely, 2^131570325 is an apocalyptic number.

131570325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131570325 is a deficient number, since it is larger than the sum of its proper divisors (117976203).

131570325 is a wasteful number, since it uses less digits than its factorization.

131570325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 131570325 is about 11470.4108470447. The cubic root of 131570325 is about 508.6112738446.

The spelling of 131570325 in words is "one hundred thirty-one million, five hundred seventy thousand, three hundred twenty-five".