63500481 has 12 divisors (see below), whose sum is σ = 100061520. Its totient is φ = 38485080.

The previous prime is 63500453. The next prime is 63500497. The reversal of 63500481 is 18400536.

It is not a de Polignac number, because 63500481 - 2¹¹ = 63498433 is a prime.

It is a super-2 number, since 2×63500481² = 8064622174462722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63500441) 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, 320611 + ... + 320808.

It is an arithmetic number, because the mean of its divisors is an integer number (8338460).

Almost surely, 2^63500481 is an apocalyptic number.

It is an amenable number.

63500481 is a deficient number, since it is larger than the sum of its proper divisors (36561039).

63500481 is a wasteful number, since it uses less digits than its factorization.

63500481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641436 (or 641433 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 63500481 is about 7968.7189058217. The cubic root of 63500481 is about 398.9566161585.

The spelling of 63500481 in words is "sixty-three million, five hundred thousand, four hundred eighty-one".