516213073 has 4 divisors (see below), whose sum is σ = 516605760. Its totient is φ = 515820388.

The previous prime is 516213067. The next prime is 516213077. The reversal of 516213073 is 370312615.

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 a cyclic number.

It is not a de Polignac number, because 516213073 - 2²⁵ = 482658641 is a prime.

It is a super-2 number, since 2×516213073² = 532951873472206658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516213077) 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, 194365 + ... + 197002.

It is an arithmetic number, because the mean of its divisors is an integer number (129151440).

Almost surely, 2^516213073 is an apocalyptic number.

It is an amenable number.

516213073 is a deficient number, since it is larger than the sum of its proper divisors (392687).

516213073 is a wasteful number, since it uses less digits than its factorization.

516213073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392686.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 516213073 is about 22720.3229070363. The cubic root of 516213073 is about 802.1883174795.

Adding to 516213073 its reverse (370312615), we get a palindrome (886525688).

The spelling of 516213073 in words is "five hundred sixteen million, two hundred thirteen thousand, seventy-three".