514981643 has 16 divisors (see below), whose sum is σ = 592842240. Its totient is φ = 442418400.

The previous prime is 514981627. The next prime is 514981721. The reversal of 514981643 is 346189415.

It is a cyclic number.

It is not a de Polignac number, because 514981643 - 2⁴ = 514981627 is a prime.

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 514981643.

It is not an unprimeable number, because it can be changed into a prime (514981603) 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, 87221 + ... + 92937.

It is an arithmetic number, because the mean of its divisors is an integer number (37052640).

Almost surely, 2^514981643 is an apocalyptic number.

514981643 is a deficient number, since it is larger than the sum of its proper divisors (77860597).

514981643 is a wasteful number, since it uses less digits than its factorization.

514981643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178.

The product of its digits is 103680, while the sum is 41.

The square root of 514981643 is about 22693.2069791821. The cubic root of 514981643 is about 801.5499342530.

The spelling of 514981643 in words is "five hundred fourteen million, nine hundred eighty-one thousand, six hundred forty-three".