402862003 has 2 divisors, whose sum is σ = 402862004. Its totient is φ = 402862002.

The previous prime is 402861989. The next prime is 402862013. The reversal of 402862003 is 300268204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402862003 is a prime.

It is a super-2 number, since 2×402862003² = 324595586922344018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402862013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201431001 + 201431002.

It is an arithmetic number, because the mean of its divisors is an integer number (201431002).

Almost surely, 2^402862003 is an apocalyptic number.

402862003 is a deficient number, since it is larger than the sum of its proper divisors (1).

402862003 is an equidigital number, since it uses as much as digits as its factorization.

402862003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 402862003 is about 20071.4225454999. The cubic root of 402862003 is about 738.5594100468.

The spelling of 402862003 in words is "four hundred two million, eight hundred sixty-two thousand, three".