63875039 has 2 divisors, whose sum is σ = 63875040. Its totient is φ = 63875038.

The previous prime is 63875029. The next prime is 63875051. The reversal of 63875039 is 93057836.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63875039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63874987 and 63875005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63875029) 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, 31937519 + 31937520.

It is an arithmetic number, because the mean of its divisors is an integer number (31937520).

Almost surely, 2^63875039 is an apocalyptic number.

63875039 is a deficient number, since it is larger than the sum of its proper divisors (1).

63875039 is an equidigital number, since it uses as much as digits as its factorization.

63875039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 63875039 is about 7992.1861214564. The cubic root of 63875039 is about 399.7394949630.

The spelling of 63875039 in words is "sixty-three million, eight hundred seventy-five thousand, thirty-nine".