63424091 has 2 divisors, whose sum is σ = 63424092. Its totient is φ = 63424090.

The previous prime is 63424057. The next prime is 63424111. The reversal of 63424091 is 19042436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63424091 is a prime.

It is not a weakly prime, because it can be changed into another prime (63424591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31712045 + 31712046.

It is an arithmetic number, because the mean of its divisors is an integer number (31712046).

Almost surely, 2^63424091 is an apocalyptic number.

63424091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63424091 is an equidigital number, since it uses as much as digits as its factorization.

63424091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 63424091 is about 7963.9243467024. The cubic root of 63424091 is about 398.7965726206.

The spelling of 63424091 in words is "sixty-three million, four hundred twenty-four thousand, ninety-one".