516213671 has 4 divisors (see below), whose sum is σ = 519981792. Its totient is φ = 512445552.

The previous prime is 516213647. The next prime is 516213697. The reversal of 516213671 is 176312615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176312615 = 5 ⋅35262523.

It is a cyclic number.

It is not a de Polignac number, because 516213671 - 2²² = 512019367 is a prime.

It is a super-3 number, since 3×516213671³ (a number of 27 digits) contains 333 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 (516213611) 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, 1883855 + ... + 1884128.

It is an arithmetic number, because the mean of its divisors is an integer number (129995448).

Almost surely, 2^516213671 is an apocalyptic number.

516213671 is a deficient number, since it is larger than the sum of its proper divisors (3768121).

516213671 is a wasteful number, since it uses less digits than its factorization.

516213671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768120.

The product of its digits is 7560, while the sum is 32.

The square root of 516213671 is about 22720.3360670568. The cubic root of 516213671 is about 802.1886272407.

The spelling of 516213671 in words is "five hundred sixteen million, two hundred thirteen thousand, six hundred seventy-one".