497694623 has 2 divisors, whose sum is σ = 497694624. Its totient is φ = 497694622.

The previous prime is 497694577. The next prime is 497694629. The reversal of 497694623 is 326496794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497694623 - 2¹⁶ = 497629087 is a prime.

It is a super-2 number, since 2×497694623² = 495399875526224258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497694629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248847311 + 248847312.

It is an arithmetic number, because the mean of its divisors is an integer number (248847312).

Almost surely, 2^497694623 is an apocalyptic number.

497694623 is a deficient number, since it is larger than the sum of its proper divisors (1).

497694623 is an equidigital number, since it uses as much as digits as its factorization.

497694623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 50.

The square root of 497694623 is about 22309.0704198987. The cubic root of 497694623 is about 792.4787937284.

It can be divided in two parts, 4976 and 94623, that added together give a palindrome (99599).

The spelling of 497694623 in words is "four hundred ninety-seven million, six hundred ninety-four thousand, six hundred twenty-three".