501340343 has 8 divisors (see below), whose sum is σ = 588446112. Its totient is φ = 418106016.

The previous prime is 501340337. The next prime is 501340351. The reversal of 501340343 is 343043105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501340343 - 2¹⁴ = 501323959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501340043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967580 + ... + 968097.

It is an arithmetic number, because the mean of its divisors is an integer number (73555764).

Almost surely, 2^501340343 is an apocalyptic number.

501340343 is a deficient number, since it is larger than the sum of its proper divisors (87105769).

501340343 is a wasteful number, since it uses less digits than its factorization.

501340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935721.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 501340343 is about 22390.6306967892. The cubic root of 501340343 is about 794.4091138230.

Adding to 501340343 its reverse (343043105), we get a palindrome (844383448).

The spelling of 501340343 in words is "five hundred one million, three hundred forty thousand, three hundred forty-three".