63402047 has 2 divisors, whose sum is σ = 63402048. Its totient is φ = 63402046.

The previous prime is 63402041. The next prime is 63402089. The reversal of 63402047 is 74020436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63402047 - 2⁶ = 63401983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63402041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31701023 + 31701024.

It is an arithmetic number, because the mean of its divisors is an integer number (31701024).

Almost surely, 2^63402047 is an apocalyptic number.

63402047 is a deficient number, since it is larger than the sum of its proper divisors (1).

63402047 is an equidigital number, since it uses as much as digits as its factorization.

63402047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 63402047 is about 7962.5402353772. The cubic root of 63402047 is about 398.7503646777.

The spelling of 63402047 in words is "sixty-three million, four hundred two thousand, forty-seven".