508096681 has 3 divisors (see below), whose sum is σ = 508119223. Its totient is φ = 508074140.

The previous prime is 508096679. The next prime is 508096709. The reversal of 508096681 is 186690805.

The square root of 508096681 is 22541.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 403648281 + 104448400 = 20091^2 + 10220^2 .

It is not a de Polignac number, because 508096681 - 2¹ = 508096679 is a prime.

It is a super-2 number, since 2×508096681² = 516324474486431522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508096621) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11271 + ... + 33811.

Almost surely, 2^508096681 is an apocalyptic number.

508096681 is the 22541-st square number.

508096681 is the 11271-st centered octagonal number.

It is an amenable number.

508096681 is a deficient number, since it is larger than the sum of its proper divisors (22542).

508096681 is an frugal number, since it uses more digits than its factorization.

508096681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45082 (or 22541 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The cubic root of 508096681 is about 797.9618331086.

It can be divided in two parts, 5080 and 96681, that added together give a square (101761 = 319²).

The spelling of 508096681 in words is "five hundred eight million, ninety-six thousand, six hundred eighty-one".