63804234025 has 45 divisors (see below), whose sum is σ = 92387576183. Its totient is φ = 43709038800.

The previous prime is 63804234017. The next prime is 63804234037. The reversal of 63804234025 is 52043240836.

The square root of 63804234025 is 252595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22969524249 + 40834709776 = 151557^2 + 202076^2 .

It is not a de Polignac number, because 63804234025 - 2³ = 63804234017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 61885260 + ... + 61886290.

Almost surely, 2^63804234025 is an apocalyptic number.

63804234025 is the 252595-th square number.

63804234025 is the 126298-th centered octagonal number.

It is an amenable number.

63804234025 is a deficient number, since it is larger than the sum of its proper divisors (28583342158).

63804234025 is an frugal number, since it uses more digits than its factorization.

63804234025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 63804234025 in words is "sixty-three billion, eight hundred four million, two hundred thirty-four thousand, twenty-five".