516331461 has 4 divisors (see below), whose sum is σ = 688441952. Its totient is φ = 344220972.

The previous prime is 516331447. The next prime is 516331471. The reversal of 516331461 is 164133615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 516331461 - 2²⁷ = 382113733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516331471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86055241 + ... + 86055246.

It is an arithmetic number, because the mean of its divisors is an integer number (172110488).

Almost surely, 2^516331461 is an apocalyptic number.

It is an amenable number.

516331461 is a deficient number, since it is larger than the sum of its proper divisors (172110491).

516331461 is a wasteful number, since it uses less digits than its factorization.

516331461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172110490.

The product of its digits is 6480, while the sum is 30.

The square root of 516331461 is about 22722.9280903672. The cubic root of 516331461 is about 802.2496372564.

The spelling of 516331461 in words is "five hundred sixteen million, three hundred thirty-one thousand, four hundred sixty-one".