514752891 has 4 divisors (see below), whose sum is σ = 686337192. Its totient is φ = 343168592.

The previous prime is 514752881. The next prime is 514752919. The reversal of 514752891 is 198257415.

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 514752891 - 2¹⁷ = 514621819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (514752851) by changing a digit.

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, 85792146 + ... + 85792151.

It is an arithmetic number, because the mean of its divisors is an integer number (171584298).

Almost surely, 2^514752891 is an apocalyptic number.

514752891 is a deficient number, since it is larger than the sum of its proper divisors (171584301).

514752891 is a wasteful number, since it uses less digits than its factorization.

514752891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171584300.

The product of its digits is 100800, while the sum is 42.

The square root of 514752891 is about 22688.1663207938. The cubic root of 514752891 is about 801.4312353257.

The spelling of 514752891 in words is "five hundred fourteen million, seven hundred fifty-two thousand, eight hundred ninety-one".