516213325 has 12 divisors (see below), whose sum is σ = 641123028. Its totient is φ = 412313600.

The previous prime is 516213317. The next prime is 516213349. The reversal of 516213325 is 523312615.

It can be written as a sum of positive squares in 6 ways, for example, as 62821476 + 453391849 = 7926^2 + 21293^2 .

It is not a de Polignac number, because 516213325 - 2³ = 516213317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516213293 and 516213302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82 + ... + 32131.

It is an arithmetic number, because the mean of its divisors is an integer number (53426919).

Almost surely, 2^516213325 is an apocalyptic number.

It is an amenable number.

516213325 is a deficient number, since it is larger than the sum of its proper divisors (124909703).

516213325 is a wasteful number, since it uses less digits than its factorization.

516213325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32864 (or 32859 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 516213325 is about 22720.3284527315. The cubic root of 516213325 is about 802.1884480143.

It can be divided in two parts, 51621 and 3325, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 516213325 in words is "five hundred sixteen million, two hundred thirteen thousand, three hundred twenty-five".