405350401 has 2 divisors, whose sum is σ = 405350402. Its totient is φ = 405350400.

The previous prime is 405350383. The next prime is 405350417. The reversal of 405350401 is 104053504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394618225 + 10732176 = 19865^2 + 3276^2 .

It is a cyclic number.

It is not a de Polignac number, because 405350401 - 2⁵ = 405350369 is a prime.

It is not a weakly prime, because it can be changed into another prime (405350441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202675200 + 202675201.

It is an arithmetic number, because the mean of its divisors is an integer number (202675201).

Almost surely, 2^405350401 is an apocalyptic number.

It is an amenable number.

405350401 is a deficient number, since it is larger than the sum of its proper divisors (1).

405350401 is an equidigital number, since it uses as much as digits as its factorization.

405350401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 405350401 is about 20133.3156981159. The cubic root of 405350401 is about 740.0769344166.

The spelling of 405350401 in words is "four hundred five million, three hundred fifty thousand, four hundred one".