63542506 has 8 divisors (see below), whose sum is σ = 95482980. Its totient is φ = 31714848.

The previous prime is 63542503. The next prime is 63542513. The reversal of 63542506 is 60524536.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 483025 = 7941^2 + 695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63542503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26781 + ... + 29056.

Almost surely, 2^63542506 is an apocalyptic number.

63542506 is a deficient number, since it is larger than the sum of its proper divisors (31940474).

63542506 is a wasteful number, since it uses less digits than its factorization.

63542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56408.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 63542506 is about 7971.3553427256. The cubic root of 63542506 is about 399.0446073791.

The spelling of 63542506 in words is "sixty-three million, five hundred forty-two thousand, five hundred six".