497449637 has 2 divisors, whose sum is σ = 497449638. Its totient is φ = 497449636.

The previous prime is 497449613. The next prime is 497449651. The reversal of 497449637 is 736944794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342472036 + 154977601 = 18506^2 + 12449^2 .

It is a cyclic number.

It is not a de Polignac number, because 497449637 - 2¹⁴ = 497433253 is a prime.

It is a super-2 number, since 2×497449637² = 494912282702863538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497449657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248724818 + 248724819.

It is an arithmetic number, because the mean of its divisors is an integer number (248724819).

Almost surely, 2^497449637 is an apocalyptic number.

It is an amenable number.

497449637 is a deficient number, since it is larger than the sum of its proper divisors (1).

497449637 is an equidigital number, since it uses as much as digits as its factorization.

497449637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 53.

The square root of 497449637 is about 22303.5790177272. The cubic root of 497449637 is about 792.3487420427.

The spelling of 497449637 in words is "four hundred ninety-seven million, four hundred forty-nine thousand, six hundred thirty-seven".