497690651 has 2 divisors, whose sum is σ = 497690652. Its totient is φ = 497690650.

The previous prime is 497690597. The next prime is 497690681. The reversal of 497690651 is 156096794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497690651 - 2⁶ = 497690587 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 497690596 and 497690605.

It is not a weakly prime, because it can be changed into another prime (497690681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248845325 + 248845326.

It is an arithmetic number, because the mean of its divisors is an integer number (248845326).

Almost surely, 2^497690651 is an apocalyptic number.

497690651 is a deficient number, since it is larger than the sum of its proper divisors (1).

497690651 is an equidigital number, since it uses as much as digits as its factorization.

497690651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 497690651 is about 22308.9813976345. The cubic root of 497690651 is about 792.4766855186.

The spelling of 497690651 in words is "four hundred ninety-seven million, six hundred ninety thousand, six hundred fifty-one".