131745325 has 12 divisors (see below), whose sum is σ = 172974420. Its totient is φ = 99196160.

The previous prime is 131745323. The next prime is 131745337. The reversal of 131745325 is 523547131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10150596 + 121594729 = 3186^2 + 11027^2 .

It is not a de Polignac number, because 131745325 - 2¹ = 131745323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131745323) 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, 154570 + ... + 155419.

It is an arithmetic number, because the mean of its divisors is an integer number (14414535).

Almost surely, 2^131745325 is an apocalyptic number.

It is an amenable number.

131745325 is a deficient number, since it is larger than the sum of its proper divisors (41229095).

131745325 is a wasteful number, since it uses less digits than its factorization.

131745325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310016 (or 310011 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 131745325 is about 11478.0366352439. The cubic root of 131745325 is about 508.8366730489.

The spelling of 131745325 in words is "one hundred thirty-one million, seven hundred forty-five thousand, three hundred twenty-five".