516225844 has 12 divisors (see below), whose sum is σ = 905253664. Its totient is φ = 257581944.

The previous prime is 516225811. The next prime is 516225889. The reversal of 516225844 is 448522615.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 130554 + ... + 134449.

Almost surely, 2^516225844 is an apocalyptic number.

It is an amenable number.

516225844 is a deficient number, since it is larger than the sum of its proper divisors (389027820).

516225844 is a wasteful number, since it uses less digits than its factorization.

516225844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265494 (or 265492 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 516225844 is about 22720.6039532403. The cubic root of 516225844 is about 802.1949327469.

The spelling of 516225844 in words is "five hundred sixteen million, two hundred twenty-five thousand, eight hundred forty-four".