131770325 has 12 divisors (see below), whose sum is σ = 164038980. Its totient is φ = 105000960.

The previous prime is 131770321. The next prime is 131770333. The reversal of 131770325 is 523077131.

It can be written as a sum of positive squares in 6 ways, for example, as 117649 + 131652676 = 343^2 + 11474^2 .

It is not a de Polignac number, because 131770325 - 2² = 131770321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131770321) 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, 3830 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (13669915).

Almost surely, 2^131770325 is an apocalyptic number.

It is an amenable number.

131770325 is a deficient number, since it is larger than the sum of its proper divisors (32268655).

131770325 is a wasteful number, since it uses less digits than its factorization.

131770325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20776 (or 20771 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 131770325 is about 11479.1256200113. The cubic root of 131770325 is about 508.8688566382.

The spelling of 131770325 in words is "one hundred thirty-one million, seven hundred seventy thousand, three hundred twenty-five".