356401117 has 2 divisors, whose sum is σ = 356401118. Its totient is φ = 356401116.

The previous prime is 356401099. The next prime is 356401139. The reversal of 356401117 is 711104653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300883716 + 55517401 = 17346^2 + 7451^2 .

It is a cyclic number.

It is not a de Polignac number, because 356401117 - 2²⁷ = 222183389 is a 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 (356401187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178200558 + 178200559.

It is an arithmetic number, because the mean of its divisors is an integer number (178200559).

Almost surely, 2^356401117 is an apocalyptic number.

It is an amenable number.

356401117 is a deficient number, since it is larger than the sum of its proper divisors (1).

356401117 is an equidigital number, since it uses as much as digits as its factorization.

356401117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 356401117 is about 18878.5888508649. The cubic root of 356401117 is about 709.0001909759. Note that the first 3 decimals are identical.

The spelling of 356401117 in words is "three hundred fifty-six million, four hundred one thousand, one hundred seventeen".