490912297 has 2 divisors, whose sum is σ = 490912298. Its totient is φ = 490912296.

The previous prime is 490912183. The next prime is 490912307. The reversal of 490912297 is 792219094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448973721 + 41938576 = 21189^2 + 6476^2 .

It is a cyclic number.

It is not a de Polignac number, because 490912297 - 2¹⁹ = 490388009 is a prime.

It is not a weakly prime, because it can be changed into another prime (490912997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245456148 + 245456149.

It is an arithmetic number, because the mean of its divisors is an integer number (245456149).

Almost surely, 2^490912297 is an apocalyptic number.

It is an amenable number.

490912297 is a deficient number, since it is larger than the sum of its proper divisors (1).

490912297 is an equidigital number, since it uses as much as digits as its factorization.

490912297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 490912297 is about 22156.5407272886. The cubic root of 490912297 is about 788.8624856255.

The spelling of 490912297 in words is "four hundred ninety million, nine hundred twelve thousand, two hundred ninety-seven".