516213255 has 16 divisors (see below), whose sum is σ = 836398080. Its totient is φ = 271828128.

The previous prime is 516213251. The next prime is 516213259. The reversal of 516213255 is 552312615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (516213251) and next prime (516213259).

It is not a de Polignac number, because 516213255 - 2² = 516213251 is a prime.

It is a super-2 number, since 2×516213255² = 532952249275390050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516213251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216627 + ... + 218996.

It is an arithmetic number, because the mean of its divisors is an integer number (52274880).

Almost surely, 2^516213255 is an apocalyptic number.

516213255 is a deficient number, since it is larger than the sum of its proper divisors (320184825).

516213255 is a wasteful number, since it uses less digits than its factorization.

516213255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435710.

The product of its digits is 9000, while the sum is 30.

The square root of 516213255 is about 22720.3269122607. The cubic root of 516213255 is about 802.1884117547.

The spelling of 516213255 in words is "five hundred sixteen million, two hundred thirteen thousand, two hundred fifty-five".