508271997 has 32 divisors (see below), whose sum is σ = 721340928. Its totient is φ = 317894976.

The previous prime is 508271993. The next prime is 508271999. The reversal of 508271997 is 799172805.

It is not a de Polignac number, because 508271997 - 2² = 508271993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508271993) 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 in 31 ways as a sum of consecutive naturals, for example, 395518 + ... + 396800.

It is an arithmetic number, because the mean of its divisors is an integer number (22541904).

Almost surely, 2^508271997 is an apocalyptic number.

It is an amenable number.

508271997 is a deficient number, since it is larger than the sum of its proper divisors (213068931).

508271997 is a wasteful number, since it uses less digits than its factorization.

508271997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 508271997 is about 22544.8884894115. Note that the first 3 decimals coincide. The cubic root of 508271997 is about 798.0536000203.

The spelling of 508271997 in words is "five hundred eight million, two hundred seventy-one thousand, nine hundred ninety-seven".