405350441 has 2 divisors, whose sum is σ = 405350442. Its totient is φ = 405350440.

The previous prime is 405350417. The next prime is 405350447. The reversal of 405350441 is 144053504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207244816 + 198105625 = 14396^2 + 14075^2 .

It is a cyclic number.

It is not a de Polignac number, because 405350441 - 2⁶ = 405350377 is a prime.

It is a Chen prime.

It is equal to p_21606308 and since 405350441 and 21606308 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405350441.

It is not a weakly prime, because it can be changed into another prime (405350447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202675220 + 202675221.

It is an arithmetic number, because the mean of its divisors is an integer number (202675221).

Almost surely, 2^405350441 is an apocalyptic number.

It is an amenable number.

405350441 is a deficient number, since it is larger than the sum of its proper divisors (1).

405350441 is an equidigital number, since it uses as much as digits as its factorization.

405350441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 405350441 is about 20133.3166914942. The cubic root of 405350441 is about 740.0769587602.

The spelling of 405350441 in words is "four hundred five million, three hundred fifty thousand, four hundred forty-one".