497407903 has 2 divisors, whose sum is σ = 497407904. Its totient is φ = 497407902.

The previous prime is 497407901. The next prime is 497407907. The reversal of 497407903 is 309704794.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497407903 - 2¹ = 497407901 is a prime.

Together with 497407901, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 497407903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497407901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248703951 + 248703952.

It is an arithmetic number, because the mean of its divisors is an integer number (248703952).

Almost surely, 2^497407903 is an apocalyptic number.

497407903 is a deficient number, since it is larger than the sum of its proper divisors (1).

497407903 is an equidigital number, since it uses as much as digits as its factorization.

497407903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 497407903 is about 22302.6434083496. The cubic root of 497407903 is about 792.3265831448.

The spelling of 497407903 in words is "four hundred ninety-seven million, four hundred seven thousand, nine hundred three".