63461538 has 24 divisors (see below), whose sum is σ = 157143168. Its totient is φ = 18131832.

The previous prime is 63461537. The next prime is 63461543. The reversal of 63461538 is 83516436.

63461538 is a `hidden beast` number, since 6 + 3 + 4 + 615 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (63461537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251706 + ... + 251957.

It is an arithmetic number, because the mean of its divisors is an integer number (6547632).

Almost surely, 2^63461538 is an apocalyptic number.

63461538 is an abundant number, since it is smaller than the sum of its proper divisors (93681630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63461538 is a wasteful number, since it uses less digits than its factorization.

63461538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503678 (or 503675 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 63461538 is about 7966.2750391886. The cubic root of 63461538 is about 398.8750433138.

The spelling of 63461538 in words is "sixty-three million, four hundred sixty-one thousand, five hundred thirty-eight".