516350431 has 4 divisors (see below), whose sum is σ = 517678200. Its totient is φ = 515022664.

The previous prime is 516350293. The next prime is 516350447. The reversal of 516350431 is 134053615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516350431 - 2¹⁵ = 516317663 is a prime.

It is a super-2 number, since 2×516350431² = 533235535187771522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516350431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516350531) 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 3 ways as a sum of consecutive naturals, for example, 663301 + ... + 664078.

It is an arithmetic number, because the mean of its divisors is an integer number (129419550).

Almost surely, 2^516350431 is an apocalyptic number.

516350431 is a deficient number, since it is larger than the sum of its proper divisors (1327769).

516350431 is a wasteful number, since it uses less digits than its factorization.

516350431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327768.

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

The square root of 516350431 is about 22723.3455063289. The cubic root of 516350431 is about 802.2594620107.

The spelling of 516350431 in words is "five hundred sixteen million, three hundred fifty thousand, four hundred thirty-one".