402000913 has 2 divisors, whose sum is σ = 402000914. Its totient is φ = 402000912.

The previous prime is 402000889. The next prime is 402000931. The reversal of 402000913 is 319000204.

Together with next prime (402000931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390931984 + 11068929 = 19772^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 402000913 - 2¹⁷ = 401869841 is a prime.

It is not a weakly prime, because it can be changed into another prime (402000943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201000456 + 201000457.

It is an arithmetic number, because the mean of its divisors is an integer number (201000457).

Almost surely, 2^402000913 is an apocalyptic number.

It is an amenable number.

402000913 is a deficient number, since it is larger than the sum of its proper divisors (1).

402000913 is an equidigital number, since it uses as much as digits as its factorization.

402000913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 402000913 is about 20049.9604239011. The cubic root of 402000913 is about 738.0328279353.

The spelling of 402000913 in words is "four hundred two million, nine hundred thirteen", and thus it is an aban number.