441000491 has 2 divisors, whose sum is σ = 441000492. Its totient is φ = 441000490.

The previous prime is 441000487. The next prime is 441000503. The reversal of 441000491 is 194000144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441000491 - 2² = 441000487 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220500245 + 220500246.

It is an arithmetic number, because the mean of its divisors is an integer number (220500246).

Almost surely, 2^441000491 is an apocalyptic number.

441000491 is a deficient number, since it is larger than the sum of its proper divisors (1).

441000491 is an equidigital number, since it uses as much as digits as its factorization.

441000491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 441000491 is about 21000.0116904729. The cubic root of 441000491 is about 761.1665435907.

The spelling of 441000491 in words is "four hundred forty-one million, four hundred ninety-one", and thus it is an aban number.