508140997 has 16 divisors (see below), whose sum is σ = 658322560. Its totient is φ = 380884032.

The previous prime is 508140991. The next prime is 508141013. The reversal of 508140997 is 799041805.

It is not a de Polignac number, because 508140997 - 2¹⁹ = 507616709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508140991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145218 + ... + 148675.

It is an arithmetic number, because the mean of its divisors is an integer number (41145160).

Almost surely, 2^508140997 is an apocalyptic number.

It is an amenable number.

508140997 is a deficient number, since it is larger than the sum of its proper divisors (150181563).

508140997 is a wasteful number, since it uses less digits than its factorization.

508140997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293932.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 508140997 is about 22541.9829873062. The cubic root of 508140997 is about 797.9850317437.

The spelling of 508140997 in words is "five hundred eight million, one hundred forty thousand, nine hundred ninety-seven".