497422421 has 2 divisors, whose sum is σ = 497422422. Its totient is φ = 497422420.

The previous prime is 497422391. The next prime is 497422423. The reversal of 497422421 is 124224794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300328900 + 197093521 = 17330^2 + 14039^2 .

It is a cyclic number.

It is not a de Polignac number, because 497422421 - 2²⁶ = 430313557 is a prime.

Together with 497422423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497422423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248711210 + 248711211.

It is an arithmetic number, because the mean of its divisors is an integer number (248711211).

Almost surely, 2^497422421 is an apocalyptic number.

It is an amenable number.

497422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

497422421 is an equidigital number, since it uses as much as digits as its factorization.

497422421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 497422421 is about 22302.9688830882. The cubic root of 497422421 is about 792.3342916977.

The spelling of 497422421 in words is "four hundred ninety-seven million, four hundred twenty-two thousand, four hundred twenty-one".