401420599 has 2 divisors, whose sum is σ = 401420600. Its totient is φ = 401420598.

The previous prime is 401420573. The next prime is 401420623. The reversal of 401420599 is 995024104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401420599 - 2⁷ = 401420471 is a prime.

It is a super-2 number, since 2×401420599² = 322276994603037602, which contains 22 as substring.

It is equal to p_21407776 and since 401420599 and 21407776 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401420699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710299 + 200710300.

It is an arithmetic number, because the mean of its divisors is an integer number (200710300).

Almost surely, 2^401420599 is an apocalyptic number.

401420599 is a deficient number, since it is larger than the sum of its proper divisors (1).

401420599 is an equidigital number, since it uses as much as digits as its factorization.

401420599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 401420599 is about 20035.4834980342. The cubic root of 401420599 is about 737.6775244004.

The spelling of 401420599 in words is "four hundred one million, four hundred twenty thousand, five hundred ninety-nine".