405324001 has 2 divisors, whose sum is σ = 405324002. Its totient is φ = 405324000.

The previous prime is 405323987. The next prime is 405324061. The reversal of 405324001 is 100423504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311699025 + 93624976 = 17655^2 + 9676^2 .

It is a cyclic number.

It is not a de Polignac number, because 405324001 - 2⁵ = 405323969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405324001.

It is not a weakly prime, because it can be changed into another prime (405324061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202662000 + 202662001.

It is an arithmetic number, because the mean of its divisors is an integer number (202662001).

Almost surely, 2^405324001 is an apocalyptic number.

It is an amenable number.

405324001 is a deficient number, since it is larger than the sum of its proper divisors (1).

405324001 is an equidigital number, since it uses as much as digits as its factorization.

405324001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 405324001 is about 20132.6600577271. The cubic root of 405324001 is about 740.0608672846.

Adding to 405324001 its reverse (100423504), we get a palindrome (505747505).

The spelling of 405324001 in words is "four hundred five million, three hundred twenty-four thousand, one".