63574263 has 6 divisors (see below), whose sum is σ = 91829504. Its totient is φ = 42382836.

The previous prime is 63574243. The next prime is 63574279. The reversal of 63574263 is 36247536.

63574263 is a `hidden beast` number, since 63 + 574 + 26 + 3 = 666.

It is not a de Polignac number, because 63574263 - 2¹⁰ = 63573239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63574243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3531895 + ... + 3531912.

Almost surely, 2^63574263 is an apocalyptic number.

63574263 is a deficient number, since it is larger than the sum of its proper divisors (28255241).

63574263 is a wasteful number, since it uses less digits than its factorization.

63574263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063813 (or 7063810 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 63574263 is about 7973.3470387285. The cubic root of 63574263 is about 399.1110739060. Note that the first 3 decimals are identical.

The spelling of 63574263 in words is "sixty-three million, five hundred seventy-four thousand, two hundred sixty-three".