402113417 has 2 divisors, whose sum is σ = 402113418. Its totient is φ = 402113416.

The previous prime is 402113407. The next prime is 402113423. The reversal of 402113417 is 714311204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401160841 + 952576 = 20029^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 402113417 - 2²⁰ = 401064841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402113392 and 402113401.

It is not a weakly prime, because it can be changed into another prime (402113407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201056708 + 201056709.

It is an arithmetic number, because the mean of its divisors is an integer number (201056709).

Almost surely, 2^402113417 is an apocalyptic number.

It is an amenable number.

402113417 is a deficient number, since it is larger than the sum of its proper divisors (1).

402113417 is an equidigital number, since it uses as much as digits as its factorization.

402113417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 402113417 is about 20052.7658192081. The cubic root of 402113417 is about 738.1016701510.

The spelling of 402113417 in words is "four hundred two million, one hundred thirteen thousand, four hundred seventeen".