7137525 has 24 divisors (see below), whose sum is σ = 12008160. Its totient is φ = 3739840.

The previous prime is 7137517. The next prime is 7137553. The reversal of 7137525 is 5257317.

It is not a de Polignac number, because 7137525 - 2³ = 7137517 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7137492 and 7137501.

It is a congruent 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, 3619 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (500340).

Almost surely, 2^7137525 is an apocalyptic number.

7137525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7137525 is a deficient number, since it is larger than the sum of its proper divisors (4870635).

7137525 is a wasteful number, since it uses less digits than its factorization.

7137525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1680 counting only the distinct ones).

The product of its digits is 7350, while the sum is 30.

The square root of 7137525 is about 2671.6146803010. The cubic root of 7137525 is about 192.5377448896.

The spelling of 7137525 in words is "seven million, one hundred thirty-seven thousand, five hundred twenty-five".