402280201 has 2 divisors, whose sum is σ = 402280202. Its totient is φ = 402280200.

The previous prime is 402280147. The next prime is 402280237. The reversal of 402280201 is 102082204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228040201 + 174240000 = 15101^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 402280201 - 2¹¹ = 402278153 is a prime.

It is not a weakly prime, because it can be changed into another prime (402280271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201140100 + 201140101.

It is an arithmetic number, because the mean of its divisors is an integer number (201140101).

Almost surely, 2^402280201 is an apocalyptic number.

It is an amenable number.

402280201 is a deficient number, since it is larger than the sum of its proper divisors (1).

402280201 is an equidigital number, since it uses as much as digits as its factorization.

402280201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 402280201 is about 20056.9240164089. The cubic root of 402280201 is about 738.2037031661.

The spelling of 402280201 in words is "four hundred two million, two hundred eighty thousand, two hundred one".