490549271 has 2 divisors, whose sum is σ = 490549272. Its totient is φ = 490549270.

The previous prime is 490549231. The next prime is 490549327. The reversal of 490549271 is 172945094.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490549271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490549231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245274635 + 245274636.

It is an arithmetic number, because the mean of its divisors is an integer number (245274636).

Almost surely, 2^490549271 is an apocalyptic number.

490549271 is a deficient number, since it is larger than the sum of its proper divisors (1).

490549271 is an equidigital number, since it uses as much as digits as its factorization.

490549271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 490549271 is about 22148.3469134832. The cubic root of 490549271 is about 788.6679850226.

The spelling of 490549271 in words is "four hundred ninety million, five hundred forty-nine thousand, two hundred seventy-one".