514007643 has 4 divisors (see below), whose sum is σ = 685343528. Its totient is φ = 342671760.

The previous prime is 514007639. The next prime is 514007653. The reversal of 514007643 is 346700415.

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

It is not a de Polignac number, because 514007643 - 2² = 514007639 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 514007643.

It is not an unprimeable number, because it can be changed into a prime (514007603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85667938 + ... + 85667943.

It is an arithmetic number, because the mean of its divisors is an integer number (171335882).

Almost surely, 2^514007643 is an apocalyptic number.

514007643 is a deficient number, since it is larger than the sum of its proper divisors (171335885).

514007643 is a wasteful number, since it uses less digits than its factorization.

514007643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171335884.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 514007643 is about 22671.7366560217. The cubic root of 514007643 is about 801.0442836423.

The spelling of 514007643 in words is "five hundred fourteen million, seven thousand, six hundred forty-three".