5205511 has 8 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 5050872.

The previous prime is 5205491. The next prime is 5205523. The reversal of 5205511 is 1155025.

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

It is not a de Polignac number, because 5205511 - 2⁵ = 5205479 is a prime.

It is a super-2 number, since 2×5205511² = 54194689542242, 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 (5200511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4366 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^5205511 is an apocalyptic number.

5205511 is a deficient number, since it is larger than the sum of its proper divisors (157049).

5205511 is a wasteful number, since it uses less digits than its factorization.

5205511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5205511 is about 2281.5588968948. The cubic root of 5205511 is about 173.3090025842.

The spelling of 5205511 in words is "five million, two hundred five thousand, five hundred eleven".