516441 has 4 divisors (see below), whose sum is σ = 688592. Its totient is φ = 344292.

The previous prime is 516437. The next prime is 516449. The reversal of 516441 is 144615.

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 516441 - 2² = 516437 is a prime.

It is a super-2 number, since 2×516441² = 533422612962, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516441.

It is not an unprimeable number, because it can be changed into a prime (516449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86071 + ... + 86076.

It is an arithmetic number, because the mean of its divisors is an integer number (172148).

2⁵¹⁶⁴⁴¹ is an apocalyptic number.

It is an amenable number.

516441 is a deficient number, since it is larger than the sum of its proper divisors (172151).

516441 is a wasteful number, since it uses less digits than its factorization.

516441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172150.

The product of its digits is 480, while the sum is 21.

The square root of 516441 is about 718.6382956676. The cubic root of 516441 is about 80.2306365293.

The spelling of 516441 in words is "five hundred sixteen thousand, four hundred forty-one".