511340069 has 8 divisors (see below), whose sum is σ = 524110272. Its totient is φ = 498584160.

The previous prime is 511340041. The next prime is 511340087. The reversal of 511340069 is 960043115.

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 511340069 - 2¹² = 511335973 is a prime.

It is a super-2 number, since 2×511340069² = 522937332329849522, 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 (511340969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127712 + ... + 131654.

It is an arithmetic number, because the mean of its divisors is an integer number (65513784).

Almost surely, 2^511340069 is an apocalyptic number.

It is an amenable number.

511340069 is a deficient number, since it is larger than the sum of its proper divisors (12770203).

511340069 is a wasteful number, since it uses less digits than its factorization.

511340069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 511340069 is about 22612.8297433116. The cubic root of 511340069 is about 799.6561381575.

The spelling of 511340069 in words is "five hundred eleven million, three hundred forty thousand, sixty-nine".