401902411 has 2 divisors, whose sum is σ = 401902412. Its totient is φ = 401902410.

The previous prime is 401902357. The next prime is 401902433. The reversal of 401902411 is 114209104.

It is an a-pointer prime, because the next prime (401902433) can be obtained adding 401902411 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401902411 - 2¹³ = 401894219 is a prime.

It is a super-2 number, since 2×401902411² = 323051095935225842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401902441) 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, 200951205 + 200951206.

It is an arithmetic number, because the mean of its divisors is an integer number (200951206).

Almost surely, 2^401902411 is an apocalyptic number.

401902411 is a deficient number, since it is larger than the sum of its proper divisors (1).

401902411 is an equidigital number, since it uses as much as digits as its factorization.

401902411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 401902411 is about 20047.5038595831. The cubic root of 401902411 is about 737.9725431235.

The spelling of 401902411 in words is "four hundred one million, nine hundred two thousand, four hundred eleven".