5206389 has 4 divisors (see below), whose sum is σ = 6941856. Its totient is φ = 3470924.

The previous prime is 5206387. The next prime is 5206391. The reversal of 5206389 is 9836025.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (5206387) and next prime (5206391).

It is a cyclic number.

It is not a de Polignac number, because 5206389 - 2¹ = 5206387 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206387) 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, 867729 + ... + 867734.

It is an arithmetic number, because the mean of its divisors is an integer number (1735464).

Almost surely, 2^5206389 is an apocalyptic number.

It is an amenable number.

5206389 is a deficient number, since it is larger than the sum of its proper divisors (1735467).

5206389 is a wasteful number, since it uses less digits than its factorization.

5206389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735466.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5206389 is about 2281.7513010843. The cubic root of 5206389 is about 173.3187458960.

The spelling of 5206389 in words is "five million, two hundred six thousand, three hundred eighty-nine".