401407219 has 2 divisors, whose sum is σ = 401407220. Its totient is φ = 401407218.

The previous prime is 401407159. The next prime is 401407231. The reversal of 401407219 is 912704104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401407219 - 2¹¹ = 401405171 is a prime.

It is a super-2 number, since 2×401407219² = 322255510930627922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401407619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200703609 + 200703610.

It is an arithmetic number, because the mean of its divisors is an integer number (200703610).

Almost surely, 2^401407219 is an apocalyptic number.

401407219 is a deficient number, since it is larger than the sum of its proper divisors (1).

401407219 is an equidigital number, since it uses as much as digits as its factorization.

401407219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 401407219 is about 20035.1495876622. The cubic root of 401407219 is about 737.6693283130.

The spelling of 401407219 in words is "four hundred one million, four hundred seven thousand, two hundred nineteen".