63166525 has 6 divisors (see below), whose sum is σ = 78326522. Its totient is φ = 50533200.

The previous prime is 63166517. The next prime is 63166531. The reversal of 63166525 is 52566136.

It can be written as a sum of positive squares in 3 ways, for example, as 8213956 + 54952569 = 2866^2 + 7413^2 .

It is not a de Polignac number, because 63166525 - 2³ = 63166517 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, 1263306 + ... + 1263355.

Almost surely, 2^63166525 is an apocalyptic number.

It is an amenable number.

63166525 is a deficient number, since it is larger than the sum of its proper divisors (15159997).

63166525 is a wasteful number, since it uses less digits than its factorization.

63166525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526671 (or 2526666 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 63166525 is about 7947.7370993258. The cubic root of 63166525 is about 398.2560009693.

The spelling of 63166525 in words is "sixty-three million, one hundred sixty-six thousand, five hundred twenty-five".