63942033 has 4 divisors (see below), whose sum is σ = 85256048. Its totient is φ = 42628020.

The previous prime is 63942029. The next prime is 63942059. The reversal of 63942033 is 33024936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63942033 - 2² = 63942029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63942133) 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, 10657003 + ... + 10657008.

It is an arithmetic number, because the mean of its divisors is an integer number (21314012).

Almost surely, 2^63942033 is an apocalyptic number.

It is an amenable number.

63942033 is a deficient number, since it is larger than the sum of its proper divisors (21314015).

63942033 is a wasteful number, since it uses less digits than its factorization.

63942033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314014.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 63942033 is about 7996.3762417735. The cubic root of 63942033 is about 399.8791989381.

Adding to 63942033 its reverse (33024936), we get a palindrome (96966969).

The spelling of 63942033 in words is "sixty-three million, nine hundred forty-two thousand, thirty-three".