511143341 has 2 divisors, whose sum is σ = 511143342. Its totient is φ = 511143340.

The previous prime is 511143331. The next prime is 511143349. The reversal of 511143341 is 143341115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329567716 + 181575625 = 18154^2 + 13475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511143341 is a prime.

It is a super-2 number, since 2×511143341² = 522535030097284562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511143349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255571670 + 255571671.

It is an arithmetic number, because the mean of its divisors is an integer number (255571671).

Almost surely, 2^511143341 is an apocalyptic number.

It is an amenable number.

511143341 is a deficient number, since it is larger than the sum of its proper divisors (1).

511143341 is an equidigital number, since it uses as much as digits as its factorization.

511143341 is an evil number, because the sum of its binary digits is even.

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

The square root of 511143341 is about 22608.4794048605. The cubic root of 511143341 is about 799.5535743640.

Adding to 511143341 its reverse (143341115), we get a palindrome (654484456).

The spelling of 511143341 in words is "five hundred eleven million, one hundred forty-three thousand, three hundred forty-one".