497260397 has 2 divisors, whose sum is σ = 497260398. Its totient is φ = 497260396.

The previous prime is 497260327. The next prime is 497260403. The reversal of 497260397 is 793062794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493461796 + 3798601 = 22214^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 497260397 - 2¹⁶ = 497194861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497260327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248630198 + 248630199.

It is an arithmetic number, because the mean of its divisors is an integer number (248630199).

Almost surely, 2^497260397 is an apocalyptic number.

It is an amenable number.

497260397 is a deficient number, since it is larger than the sum of its proper divisors (1).

497260397 is an equidigital number, since it uses as much as digits as its factorization.

497260397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 497260397 is about 22299.3362457271. The cubic root of 497260397 is about 792.2482540853.

The spelling of 497260397 in words is "four hundred ninety-seven million, two hundred sixty thousand, three hundred ninety-seven".