405324419 has 2 divisors, whose sum is σ = 405324420. Its totient is φ = 405324418.

The previous prime is 405324389. The next prime is 405324433. The reversal of 405324419 is 914423504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405324419 - 2²⁰ = 404275843 is a prime.

It is a super-2 number, since 2×405324419² = 328575769275375122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405324499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202662209 + 202662210.

It is an arithmetic number, because the mean of its divisors is an integer number (202662210).

Almost surely, 2^405324419 is an apocalyptic number.

405324419 is a deficient number, since it is larger than the sum of its proper divisors (1).

405324419 is an equidigital number, since it uses as much as digits as its factorization.

405324419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 405324419 is about 20132.6704388663. The cubic root of 405324419 is about 740.0611216862.

The spelling of 405324419 in words is "four hundred five million, three hundred twenty-four thousand, four hundred nineteen".