63040503438025 has 9 divisors (see below), whose sum is σ = 78170273489973. Its totient is φ = 50432370991200.

The previous prime is 63040503437999. The next prime is 63040503438041. The reversal of 63040503438025 is 52083430504036.

The square root of 63040503438025 is 7939805.

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

It can be written as a sum of positive squares in 4 ways, for example, as 20886700618809 + 42153802819216 = 4570197^2 + 6492596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63040503438025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38905045 + ... + 40493005.

Almost surely, 2^{63040503438025} is an apocalyptic number.

63040503438025 is the 7939805-th square number.

63040503438025 is the 3969903-rd centered octagonal number.

It is an amenable number.

63040503438025 is a deficient number, since it is larger than the sum of its proper divisors (15129770051948).

63040503438025 is an frugal number, since it uses more digits than its factorization.

63040503438025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175932 (or 1587966 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 63040503438025 in words is "sixty-three trillion, forty billion, five hundred three million, four hundred thirty-eight thousand, twenty-five".