5105869 has 4 divisors (see below), whose sum is σ = 5182144. Its totient is φ = 5029596.

The previous prime is 5105857. The next prime is 5105879. The reversal of 5105869 is 9685015.

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 an emirpimes, since its reverse is a distinct semiprime: 9685015 = 5 ⋅1937003.

It is a cyclic number.

It is not a de Polignac number, because 5105869 - 2¹⁹ = 4581581 is a prime.

It is a super-2 number, since 2×5105869² = 52139796490322, which contains 22 as substring.

It is a Duffinian number.

5105869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105809) 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 3 ways as a sum of consecutive naturals, for example, 38037 + ... + 38170.

It is an arithmetic number, because the mean of its divisors is an integer number (1295536).

Almost surely, 2^5105869 is an apocalyptic number.

It is an amenable number.

5105869 is a deficient number, since it is larger than the sum of its proper divisors (76275).

5105869 is an equidigital number, since it uses as much as digits as its factorization.

5105869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76274.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5105869 is about 2259.6170029454. The cubic root of 5105869 is about 172.1960649525.

The spelling of 5105869 in words is "five million, one hundred five thousand, eight hundred sixty-nine".