5266999 has 4 divisors (see below), whose sum is σ = 5280664. Its totient is φ = 5253336.

The previous prime is 5266997. The next prime is 5267039. The reversal of 5266999 is 9996625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5266999 - 2¹ = 5266997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6237 + ... + 7030.

It is an arithmetic number, because the mean of its divisors is an integer number (1320166).

Almost surely, 2^5266999 is an apocalyptic number.

5266999 is a deficient number, since it is larger than the sum of its proper divisors (13665).

5266999 is a wasteful number, since it uses less digits than its factorization.

5266999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13664.

The product of its digits is 262440, while the sum is 46.

The square root of 5266999 is about 2294.9943355050. The cubic root of 5266999 is about 173.9887142017.

The spelling of 5266999 in words is "five million, two hundred sixty-six thousand, nine hundred ninety-nine".