512381343 has 16 divisors (see below), whose sum is σ = 723824640. Its totient is φ = 321288576.

The previous prime is 512381339. The next prime is 512381351. The reversal of 512381343 is 343183215.

It is not a de Polignac number, because 512381343 - 2² = 512381339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512381343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512381333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135168 + ... + 138906.

It is an arithmetic number, because the mean of its divisors is an integer number (45239040).

Almost surely, 2^512381343 is an apocalyptic number.

512381343 is a deficient number, since it is larger than the sum of its proper divisors (211443297).

512381343 is a wasteful number, since it uses less digits than its factorization.

512381343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446.

The product of its digits is 8640, while the sum is 30.

The square root of 512381343 is about 22635.8419989184. The cubic root of 512381343 is about 800.1985668558.

The spelling of 512381343 in words is "five hundred twelve million, three hundred eighty-one thousand, three hundred forty-three".