516823995 has 16 divisors (see below), whose sum is σ = 827730432. Its totient is φ = 275368800.

The previous prime is 516823991. The next prime is 516823999. The reversal of 516823995 is 599328615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (516823991) and next prime (516823999).

It is not a de Polignac number, because 516823995 - 2² = 516823991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516823991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627 + ... + 32156.

It is an arithmetic number, because the mean of its divisors is an integer number (51733152).

Almost surely, 2^516823995 is an apocalyptic number.

516823995 is a deficient number, since it is larger than the sum of its proper divisors (310906437).

516823995 is a wasteful number, since it uses less digits than its factorization.

516823995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33842.

The product of its digits is 583200, while the sum is 48.

The square root of 516823995 is about 22733.7633268229. The cubic root of 516823995 is about 802.5046476376.

The spelling of 516823995 in words is "five hundred sixteen million, eight hundred twenty-three thousand, nine hundred ninety-five".