63800253 has 12 divisors (see below), whose sum is σ = 100533888. Its totient is φ = 38666760.

The previous prime is 63800251. The next prime is 63800257. The reversal of 63800253 is 35200836.

63800253 is a `hidden beast` number, since 638 + 0 + 0 + 25 + 3 = 666.

It is not a de Polignac number, because 63800253 - 2¹ = 63800251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63800251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322125 + ... + 322322.

It is an arithmetic number, because the mean of its divisors is an integer number (8377824).

Almost surely, 2^63800253 is an apocalyptic number.

It is an amenable number.

63800253 is a deficient number, since it is larger than the sum of its proper divisors (36733635).

63800253 is a wasteful number, since it uses less digits than its factorization.

63800253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644464 (or 644461 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 63800253 is about 7987.5060563357. The cubic root of 63800253 is about 399.5834267341.

The spelling of 63800253 in words is "sixty-three million, eight hundred thousand, two hundred fifty-three".