497442289 has 2 divisors, whose sum is σ = 497442290. Its totient is φ = 497442288.

The previous prime is 497442277. The next prime is 497442317. The reversal of 497442289 is 982244794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339185889 + 158256400 = 18417^2 + 12580^2 .

It is a cyclic number.

It is not a de Polignac number, because 497442289 - 2²³ = 489053681 is a prime.

It is not a weakly prime, because it can be changed into another prime (497440289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248721144 + 248721145.

It is an arithmetic number, because the mean of its divisors is an integer number (248721145).

Almost surely, 2^497442289 is an apocalyptic number.

It is an amenable number.

497442289 is a deficient number, since it is larger than the sum of its proper divisors (1).

497442289 is an equidigital number, since it uses as much as digits as its factorization.

497442289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 497442289 is about 22303.4142901933. The cubic root of 497442289 is about 792.3448406714.

The spelling of 497442289 in words is "four hundred ninety-seven million, four hundred forty-two thousand, two hundred eighty-nine".