63852791 has 2 divisors, whose sum is σ = 63852792. Its totient is φ = 63852790.

The previous prime is 63852781. The next prime is 63852827. The reversal of 63852791 is 19725836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63852791 - 2⁶ = 63852727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63852781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31926395 + 31926396.

It is an arithmetic number, because the mean of its divisors is an integer number (31926396).

Almost surely, 2^63852791 is an apocalyptic number.

63852791 is a deficient number, since it is larger than the sum of its proper divisors (1).

63852791 is an equidigital number, since it uses as much as digits as its factorization.

63852791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 63852791 is about 7990.7941407597. The cubic root of 63852791 is about 399.6930791425.

The spelling of 63852791 in words is "sixty-three million, eight hundred fifty-two thousand, seven hundred ninety-one".