497257207 has 2 divisors, whose sum is σ = 497257208. Its totient is φ = 497257206.

The previous prime is 497257193. The next prime is 497257279. The reversal of 497257207 is 702752794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497257207 - 2¹⁵ = 497224439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497257807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248628603 + 248628604.

It is an arithmetic number, because the mean of its divisors is an integer number (248628604).

Almost surely, 2^497257207 is an apocalyptic number.

497257207 is a deficient number, since it is larger than the sum of its proper divisors (1).

497257207 is an equidigital number, since it uses as much as digits as its factorization.

497257207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 497257207 is about 22299.2647188198. The cubic root of 497257207 is about 792.2465599512.

The spelling of 497257207 in words is "four hundred ninety-seven million, two hundred fifty-seven thousand, two hundred seven".