402100859 has 2 divisors, whose sum is σ = 402100860. Its totient is φ = 402100858.

The previous prime is 402100823. The next prime is 402100873. The reversal of 402100859 is 958001204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402100859 - 2²⁴ = 385323643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402100879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201050429 + 201050430.

It is an arithmetic number, because the mean of its divisors is an integer number (201050430).

Almost surely, 2^402100859 is an apocalyptic number.

402100859 is a deficient number, since it is larger than the sum of its proper divisors (1).

402100859 is an equidigital number, since it uses as much as digits as its factorization.

402100859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 402100859 is about 20052.4526928753. The cubic root of 402100859 is about 738.0939864339.

The spelling of 402100859 in words is "four hundred two million, one hundred thousand, eight hundred fifty-nine".