402607171 has 2 divisors, whose sum is σ = 402607172. Its totient is φ = 402607170.

The previous prime is 402607159. The next prime is 402607241. The reversal of 402607171 is 171706204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402607171 - 2⁷ = 402607043 is a prime.

It is not a weakly prime, because it can be changed into another prime (402607771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201303585 + 201303586.

It is an arithmetic number, because the mean of its divisors is an integer number (201303586).

Almost surely, 2^402607171 is an apocalyptic number.

402607171 is a deficient number, since it is larger than the sum of its proper divisors (1).

402607171 is an equidigital number, since it uses as much as digits as its factorization.

402607171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 402607171 is about 20065.0734112786. The cubic root of 402607171 is about 738.4036509464.

The spelling of 402607171 in words is "four hundred two million, six hundred seven thousand, one hundred seventy-one".