402203057 has 2 divisors, whose sum is σ = 402203058. Its totient is φ = 402203056.

The previous prime is 402203041. The next prime is 402203069. The reversal of 402203057 is 750302204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361038001 + 41165056 = 19001^2 + 6416^2 .

It is a cyclic number.

It is not a de Polignac number, because 402203057 - 2⁴ = 402203041 is a prime.

It is not a weakly prime, because it can be changed into another prime (402202057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201101528 + 201101529.

It is an arithmetic number, because the mean of its divisors is an integer number (201101529).

Almost surely, 2^402203057 is an apocalyptic number.

It is an amenable number.

402203057 is a deficient number, since it is larger than the sum of its proper divisors (1).

402203057 is an equidigital number, since it uses as much as digits as its factorization.

402203057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 402203057 is about 20055.0007978060. Note that the first 3 decimals coincide. The cubic root of 402203057 is about 738.1565124875.

The spelling of 402203057 in words is "four hundred two million, two hundred three thousand, fifty-seven".