490241497 has 2 divisors, whose sum is σ = 490241498. Its totient is φ = 490241496.

The previous prime is 490241489. The next prime is 490241509. The reversal of 490241497 is 794142094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448973721 + 41267776 = 21189^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 490241497 - 2³ = 490241489 is a prime.

It is not a weakly prime, because it can be changed into another prime (490241407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245120748 + 245120749.

It is an arithmetic number, because the mean of its divisors is an integer number (245120749).

Almost surely, 2^490241497 is an apocalyptic number.

It is an amenable number.

490241497 is a deficient number, since it is larger than the sum of its proper divisors (1).

490241497 is an equidigital number, since it uses as much as digits as its factorization.

490241497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 490241497 is about 22141.3978104364. The cubic root of 490241497 is about 788.5030119362.

The spelling of 490241497 in words is "four hundred ninety million, two hundred forty-one thousand, four hundred ninety-seven".