516343252 has 6 divisors (see below), whose sum is σ = 903600698. Its totient is φ = 258171624.

The previous prime is 516343241. The next prime is 516343271. The reversal of 516343252 is 252343615.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 396965776 + 119377476 = 19924^2 + 10926^2 .

It is a super-2 number, since 2×516343252² = 533220707771871008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64542903 + ... + 64542910.

Almost surely, 2^516343252 is an apocalyptic number.

It is an amenable number.

516343252 is a deficient number, since it is larger than the sum of its proper divisors (387257446).

516343252 is a wasteful number, since it uses less digits than its factorization.

516343252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129085817 (or 129085815 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 516343252 is about 22723.1875404838. The cubic root of 516343252 is about 802.2557439625.

Adding to 516343252 its reverse (252343615), we get a palindrome (768686867).

The spelling of 516343252 in words is "five hundred sixteen million, three hundred forty-three thousand, two hundred fifty-two".