137250025 has 24 divisors (see below), whose sum is σ = 187068384. Its totient is φ = 99062400.

The previous prime is 137250017. The next prime is 137250041. The reversal of 137250025 is 520052731.

It is not a de Polignac number, because 137250025 - 2³ = 137250017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35854 + ... + 39496.

It is an arithmetic number, because the mean of its divisors is an integer number (7794516).

Almost surely, 2^137250025 is an apocalyptic number.

It is an amenable number.

137250025 is a deficient number, since it is larger than the sum of its proper divisors (49818359).

137250025 is a wasteful number, since it uses less digits than its factorization.

137250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3796 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 137250025 is about 11715.3755808339. The cubic root of 137250025 is about 515.8270871163.

The spelling of 137250025 in words is "one hundred thirty-seven million, two hundred fifty thousand, twenty-five".