63542536 has 16 divisors (see below), whose sum is σ = 125413200. Its totient is φ = 30099024.

The previous prime is 63542533. The next prime is 63542539. The reversal of 63542536 is 63524536.

It is an interprime number because it is at equal distance from previous prime (63542533) and next prime (63542539).

It is a super-2 number, since 2×63542536² = 8075307762622592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63542533) 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 3 ways as a sum of consecutive naturals, for example, 208870 + ... + 209173.

It is an arithmetic number, because the mean of its divisors is an integer number (7838325).

Almost surely, 2^63542536 is an apocalyptic number.

It is an amenable number.

63542536 is a deficient number, since it is larger than the sum of its proper divisors (61870664).

63542536 is a wasteful number, since it uses less digits than its factorization.

63542536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418068 (or 418064 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 63542536 is about 7971.3572244631. The cubic root of 63542536 is about 399.0446701788.

The spelling of 63542536 in words is "sixty-three million, five hundred forty-two thousand, five hundred thirty-six".