511005349 has 2 divisors, whose sum is σ = 511005350. Its totient is φ = 511005348.

The previous prime is 511005311. The next prime is 511005367. The reversal of 511005349 is 943500115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329241025 + 181764324 = 18145^2 + 13482^2 .

It is a cyclic number.

It is not a de Polignac number, because 511005349 - 2⁷ = 511005221 is a prime.

It is a super-2 number, since 2×511005349² = 522252933413223602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511005749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255502674 + 255502675.

It is an arithmetic number, because the mean of its divisors is an integer number (255502675).

Almost surely, 2^511005349 is an apocalyptic number.

It is an amenable number.

511005349 is a deficient number, since it is larger than the sum of its proper divisors (1).

511005349 is an equidigital number, since it uses as much as digits as its factorization.

511005349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 511005349 is about 22605.4274235193. The cubic root of 511005349 is about 799.4816167753.

The spelling of 511005349 in words is "five hundred eleven million, five thousand, three hundred forty-nine".