5205869 has 4 divisors (see below), whose sum is σ = 5210880. Its totient is φ = 5200860.

The previous prime is 5205853. The next prime is 5205883. The reversal of 5205869 is 9685025.

5205869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5205869 - 2⁴ = 5205853 is a prime.

It is a super-2 number, since 2×5205869² = 54202144090322, 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 (5205839) 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, 299 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (1302720).

Almost surely, 2^5205869 is an apocalyptic number.

It is an amenable number.

5205869 is a deficient number, since it is larger than the sum of its proper divisors (5011).

5205869 is a wasteful number, since it uses less digits than its factorization.

5205869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 5205869 is about 2281.6373506760. The cubic root of 5205869 is about 173.3129755019.

The spelling of 5205869 in words is "five million, two hundred five thousand, eight hundred sixty-nine".