63942133 has 2 divisors, whose sum is σ = 63942134. Its totient is φ = 63942132.

The previous prime is 63942113. The next prime is 63942143. The reversal of 63942133 is 33124936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 27060804 = 6073^2 + 5202^2 .

It is a cyclic number.

It is not a de Polignac number, because 63942133 - 2⁵ = 63942101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63942095 and 63942104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63942113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31971066 + 31971067.

It is an arithmetic number, because the mean of its divisors is an integer number (31971067).

Almost surely, 2^63942133 is an apocalyptic number.

It is an amenable number.

63942133 is a deficient number, since it is larger than the sum of its proper divisors (1).

63942133 is an equidigital number, since it uses as much as digits as its factorization.

63942133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 63942133 is about 7996.3824946034. The cubic root of 63942133 is about 399.8794073972.

The spelling of 63942133 in words is "sixty-three million, nine hundred forty-two thousand, one hundred thirty-three".