7561565525 has 12 divisors (see below), whose sum is σ = 9396606912. Its totient is φ = 6036177840.

The previous prime is 7561565519. The next prime is 7561565581. The reversal of 7561565525 is 5255651657.

It is not a de Polignac number, because 7561565525 - 2⁶ = 7561565461 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7561565525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315059 + ... + 338208.

It is an arithmetic number, because the mean of its divisors is an integer number (783050576).

Almost surely, 2^7561565525 is an apocalyptic number.

It is an amenable number.

7561565525 is a deficient number, since it is larger than the sum of its proper divisors (1835041387).

7561565525 is a wasteful number, since it uses less digits than its factorization.

7561565525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653740 (or 653735 counting only the distinct ones).

The product of its digits is 1575000, while the sum is 47.

The square root of 7561565525 is about 86957.2626351589. The cubic root of 7561565525 is about 1962.7752512625.

The spelling of 7561565525 in words is "seven billion, five hundred sixty-one million, five hundred sixty-five thousand, five hundred twenty-five".