516653231 has 4 divisors (see below), whose sum is σ = 518815200. Its totient is φ = 514491264.

The previous prime is 516653201. The next prime is 516653261. The reversal of 516653231 is 132356615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132356615 = 5 ⋅26471323.

It is an interprime number because it is at equal distance from previous prime (516653201) and next prime (516653261).

It is a cyclic number.

It is not a de Polignac number, because 516653231 - 2¹⁰ = 516652207 is a prime.

It is a super-2 number, since 2×516653231² = 533861122205478722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516653201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080626 + ... + 1081103.

It is an arithmetic number, because the mean of its divisors is an integer number (129703800).

Almost surely, 2^516653231 is an apocalyptic number.

516653231 is a deficient number, since it is larger than the sum of its proper divisors (2161969).

516653231 is a wasteful number, since it uses less digits than its factorization.

516653231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161968.

The product of its digits is 16200, while the sum is 32.

The square root of 516653231 is about 22730.0072811251. The cubic root of 516653231 is about 802.4162526193.

The spelling of 516653231 in words is "five hundred sixteen million, six hundred fifty-three thousand, two hundred thirty-one".