405105199 has 2 divisors, whose sum is σ = 405105200. Its totient is φ = 405105198.

The previous prime is 405105191. The next prime is 405105287. The reversal of 405105199 is 991501504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405105199 - 2³ = 405105191 is a prime.

It is a super-2 number, since 2×405105199² = 328220444513659202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405105191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202552599 + 202552600.

It is an arithmetic number, because the mean of its divisors is an integer number (202552600).

Almost surely, 2^405105199 is an apocalyptic number.

405105199 is a deficient number, since it is larger than the sum of its proper divisors (1).

405105199 is an equidigital number, since it uses as much as digits as its factorization.

405105199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 405105199 is about 20127.2253179617. The cubic root of 405105199 is about 739.9276767643.

The spelling of 405105199 in words is "four hundred five million, one hundred five thousand, one hundred ninety-nine".