402056933 has 2 divisors, whose sum is σ = 402056934. Its totient is φ = 402056932.

The previous prime is 402056873. The next prime is 402056959. The reversal of 402056933 is 339650204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401882209 + 174724 = 20047^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 402056933 - 2⁶ = 402056869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402056933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402056533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201028466 + 201028467.

It is an arithmetic number, because the mean of its divisors is an integer number (201028467).

Almost surely, 2^402056933 is an apocalyptic number.

It is an amenable number.

402056933 is a deficient number, since it is larger than the sum of its proper divisors (1).

402056933 is an equidigital number, since it uses as much as digits as its factorization.

402056933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 402056933 is about 20051.3573854739. The cubic root of 402056933 is about 738.0671086855.

The spelling of 402056933 in words is "four hundred two million, fifty-six thousand, nine hundred thirty-three".