497897901 has 8 divisors (see below), whose sum is σ = 737626560. Its totient is φ = 331931916.

The previous prime is 497897821. The next prime is 497897909. The reversal of 497897901 is 109798794.

497897901 is a `hidden beast` number, since 497 + 89 + 79 + 0 + 1 = 666.

It is not a de Polignac number, because 497897901 - 2¹⁰ = 497896877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497897909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220305 + ... + 9220358.

It is an arithmetic number, because the mean of its divisors is an integer number (92203320).

Almost surely, 2^497897901 is an apocalyptic number.

It is an amenable number.

497897901 is a deficient number, since it is larger than the sum of its proper divisors (239728659).

497897901 is a wasteful number, since it uses less digits than its factorization.

497897901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440672 (or 18440666 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 497897901 is about 22313.6259043661. The cubic root of 497897901 is about 792.5866721807.

The spelling of 497897901 in words is "four hundred ninety-seven million, eight hundred ninety-seven thousand, nine hundred one".