7525564 has 6 divisors (see below), whose sum is σ = 13169744. Its totient is φ = 3762780.

The previous prime is 7525519. The next prime is 7525571. The reversal of 7525564 is 4655257.

It is a super-2 number, since 2×7525564² = 113268227036192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940692 + ... + 940699.

Almost surely, 2^7525564 is an apocalyptic number.

It is an amenable number.

7525564 is a deficient number, since it is larger than the sum of its proper divisors (5644180).

7525564 is a wasteful number, since it uses less digits than its factorization.

7525564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881395 (or 1881393 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 7525564 is about 2743.2761435918. The cubic root of 7525564 is about 195.9655291316.

The spelling of 7525564 in words is "seven million, five hundred twenty-five thousand, five hundred sixty-four".