516698361 has 9 divisors (see below), whose sum is σ = 746440591. Its totient is φ = 344420112.

The previous prime is 516698333. The next prime is 516698383. The reversal of 516698361 is 163896615.

The square root of 516698361 is 22731.

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

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 513294336 = 1845^2 + 22656^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 516698361 - 2⁷ = 516698233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516696361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 64405 + ... + 71981.

Almost surely, 2^516698361 is an apocalyptic number.

516698361 is the 22731-st square number.

516698361 is the 11366-th centered octagonal number.

It is an amenable number.

516698361 is a deficient number, since it is larger than the sum of its proper divisors (229742230).

516698361 is an frugal number, since it uses more digits than its factorization.

516698361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160 (or 7580 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The cubic root of 516698361 is about 802.4396158018.

The spelling of 516698361 in words is "five hundred sixteen million, six hundred ninety-eight thousand, three hundred sixty-one".