497236549 has 2 divisors, whose sum is σ = 497236550. Its totient is φ = 497236548.

The previous prime is 497236543. The next prime is 497236567. The reversal of 497236549 is 945632794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316199524 + 181037025 = 17782^2 + 13455^2 .

It is a cyclic number.

It is not a de Polignac number, because 497236549 - 2⁹ = 497236037 is a prime.

It is a super-2 number, since 2×497236549² = 494488371322858802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497236543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248618274 + 248618275.

It is an arithmetic number, because the mean of its divisors is an integer number (248618275).

Almost surely, 2^497236549 is an apocalyptic number.

It is an amenable number.

497236549 is a deficient number, since it is larger than the sum of its proper divisors (1).

497236549 is an equidigital number, since it uses as much as digits as its factorization.

497236549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 497236549 is about 22298.8015148797. The cubic root of 497236549 is about 792.2355887973.

The spelling of 497236549 in words is "four hundred ninety-seven million, two hundred thirty-six thousand, five hundred forty-nine".