137525525 has 12 divisors (see below), whose sum is σ = 174161472. Its totient is φ = 107678640.

The previous prime is 137525449. The next prime is 137525527. The reversal of 137525525 is 525525731.

It is a happy number.

It is not a de Polignac number, because 137525525 - 2¹⁰ = 137524501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137525527) 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, 57347 + ... + 59696.

It is an arithmetic number, because the mean of its divisors is an integer number (14513456).

Almost surely, 2^137525525 is an apocalyptic number.

It is an amenable number.

137525525 is a deficient number, since it is larger than the sum of its proper divisors (36635947).

137525525 is a wasteful number, since it uses less digits than its factorization.

137525525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117100 (or 117095 counting only the distinct ones).

The product of its digits is 52500, while the sum is 35.

The square root of 137525525 is about 11727.1277387091. The cubic root of 137525525 is about 516.1719938732.

The spelling of 137525525 in words is "one hundred thirty-seven million, five hundred twenty-five thousand, five hundred twenty-five".