424402117 has 2 divisors, whose sum is σ = 424402118. Its totient is φ = 424402116.

The previous prime is 424402091. The next prime is 424402129. The reversal of 424402117 is 711204424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376709281 + 47692836 = 19409^2 + 6906^2 .

It is a cyclic number.

It is not a de Polignac number, because 424402117 - 2¹¹ = 424400069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424402091 and 424402100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424402177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212201058 + 212201059.

It is an arithmetic number, because the mean of its divisors is an integer number (212201059).

Almost surely, 2^424402117 is an apocalyptic number.

It is an amenable number.

424402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

424402117 is an equidigital number, since it uses as much as digits as its factorization.

424402117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 424402117 is about 20601.0222319185. The cubic root of 424402117 is about 751.4945705151.

The spelling of 424402117 in words is "four hundred twenty-four million, four hundred two thousand, one hundred seventeen".