5185739 has 4 divisors (see below), whose sum is σ = 5584656. Its totient is φ = 4786824.

The previous prime is 5185729. The next prime is 5185753. The reversal of 5185739 is 9375815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9375815 = 5 ⋅1875163.

It is a cyclic number.

It is not a de Polignac number, because 5185739 - 2⁸ = 5185483 is a prime.

It is a super-2 number, since 2×5185739² = 53783777952242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5185709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199439 + ... + 199464.

It is an arithmetic number, because the mean of its divisors is an integer number (1396164).

Almost surely, 2^5185739 is an apocalyptic number.

5185739 is a deficient number, since it is larger than the sum of its proper divisors (398917).

5185739 is a wasteful number, since it uses less digits than its factorization.

5185739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398916.

The product of its digits is 37800, while the sum is 38.

The square root of 5185739 is about 2277.2217722479. The cubic root of 5185739 is about 173.0892986808.

The spelling of 5185739 in words is "five million, one hundred eighty-five thousand, seven hundred thirty-nine".