5209911 has 24 divisors (see below), whose sum is σ = 8814624. Its totient is φ = 2903040.

The previous prime is 5209901. The next prime is 5209913. The reversal of 5209911 is 1199025.

It is a happy number.

It is not a de Polignac number, because 5209911 - 2⁷ = 5209783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209913) 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 23 ways as a sum of consecutive naturals, for example, 1575 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (367276).

Almost surely, 2^5209911 is an apocalyptic number.

5209911 is a deficient number, since it is larger than the sum of its proper divisors (3604713).

5209911 is a wasteful number, since it uses less digits than its factorization.

5209911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5209911 is about 2282.5229462154. The cubic root of 5209911 is about 173.3578191083.

The spelling of 5209911 in words is "five million, two hundred nine thousand, nine hundred eleven".