7525136 has 20 divisors (see below), whose sum is σ = 14690652. Its totient is φ = 3734016.

The previous prime is 7525127. The next prime is 7525151. The reversal of 7525136 is 6315257.

It can be written as a sum of positive squares in 2 ways, for example, as 3444736 + 4080400 = 1856^2 + 2020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7525099 and 7525108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 3908.

Almost surely, 2^7525136 is an apocalyptic number.

It is an amenable number.

7525136 is a deficient number, since it is larger than the sum of its proper divisors (7165516).

7525136 is a wasteful number, since it uses less digits than its factorization.

7525136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3572 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 7525136 is about 2743.1981335660. The cubic root of 7525136 is about 195.9618140241.

The spelling of 7525136 in words is "seven million, five hundred twenty-five thousand, one hundred thirty-six".