511141343 has 4 divisors (see below), whose sum is σ = 511450368. Its totient is φ = 510832320.

The previous prime is 511141339. The next prime is 511141369. The reversal of 511141343 is 343141115.

It is a happy number.

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 511141343 - 2² = 511141339 is a prime.

It is a super-2 number, since 2×511141343² = 522530945047687298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511141303) 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, 152018 + ... + 155343.

It is an arithmetic number, because the mean of its divisors is an integer number (127862592).

Almost surely, 2^511141343 is an apocalyptic number.

511141343 is a deficient number, since it is larger than the sum of its proper divisors (309025).

511141343 is a wasteful number, since it uses less digits than its factorization.

511141343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309024.

The product of its digits is 720, while the sum is 23.

The square root of 511141343 is about 22608.4352178562. The cubic root of 511141343 is about 799.5525325753.

Adding to 511141343 its reverse (343141115), we get a palindrome (854282458).

The spelling of 511141343 in words is "five hundred eleven million, one hundred forty-one thousand, three hundred forty-three".