63526525 has 6 divisors (see below), whose sum is σ = 78772922. Its totient is φ = 50821200.

The previous prime is 63526499. The next prime is 63526531. The reversal of 63526525 is 52562536.

It can be written as a sum of positive squares in 3 ways, for example, as 22297284 + 41229241 = 4722^2 + 6421^2 .

It is not a de Polignac number, because 63526525 - 2⁵ = 63526493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270506 + ... + 1270555.

Almost surely, 2^63526525 is an apocalyptic number.

It is an amenable number.

63526525 is a deficient number, since it is larger than the sum of its proper divisors (15246397).

63526525 is a wasteful number, since it uses less digits than its factorization.

63526525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541071 (or 2541066 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 63526525 is about 7970.3528780099. The cubic root of 63526525 is about 399.0111512096.

The spelling of 63526525 in words is "sixty-three million, five hundred twenty-six thousand, five hundred twenty-five".