404241403 has 2 divisors, whose sum is σ = 404241404. Its totient is φ = 404241402.

The previous prime is 404241337. The next prime is 404241421. The reversal of 404241403 is 304142404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404241403 - 2²⁵ = 370686971 is a prime.

It is a super-2 number, since 2×404241403² = 326822223798816818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404241443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202120701 + 202120702.

It is an arithmetic number, because the mean of its divisors is an integer number (202120702).

Almost surely, 2^404241403 is an apocalyptic number.

404241403 is a deficient number, since it is larger than the sum of its proper divisors (1).

404241403 is an equidigital number, since it uses as much as digits as its factorization.

404241403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404241403 is about 20105.7554695167. The cubic root of 404241403 is about 739.4013925737.

Adding to 404241403 its reverse (304142404), we get a palindrome (708383807).

The spelling of 404241403 in words is "four hundred four million, two hundred forty-one thousand, four hundred three".