441005431 has 2 divisors, whose sum is σ = 441005432. Its totient is φ = 441005430.

The previous prime is 441005401. The next prime is 441005441. The reversal of 441005431 is 134500144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441005431 - 2⁵ = 441005399 is a prime.

It is a super-2 number, since 2×441005431² = 388971580342991522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441005401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220502715 + 220502716.

It is an arithmetic number, because the mean of its divisors is an integer number (220502716).

Almost surely, 2^441005431 is an apocalyptic number.

441005431 is a deficient number, since it is larger than the sum of its proper divisors (1).

441005431 is an equidigital number, since it uses as much as digits as its factorization.

441005431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 441005431 is about 21000.1293091257. The cubic root of 441005431 is about 761.1693857256.

Adding to 441005431 its reverse (134500144), we get a palindrome (575505575).

The spelling of 441005431 in words is "four hundred forty-one million, five thousand, four hundred thirty-one".