5126389 has 4 divisors (see below), whose sum is σ = 5191360. Its totient is φ = 5061420.

The previous prime is 5126369. The next prime is 5126393. The reversal of 5126389 is 9836215.

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: 9836215 = 5 ⋅1967243.

It is a cyclic number.

It is not a de Polignac number, because 5126389 - 2⁵ = 5126357 is a prime.

It is a Duffinian number.

5126389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126339) 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, 32367 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (1297840).

Almost surely, 2^5126389 is an apocalyptic number.

It is an amenable number.

5126389 is a deficient number, since it is larger than the sum of its proper divisors (64971).

5126389 is an equidigital number, since it uses as much as digits as its factorization.

5126389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64970.

The product of its digits is 12960, while the sum is 34.

The square root of 5126389 is about 2264.1530425305. The cubic root of 5126389 is about 172.4264364618.

The spelling of 5126389 in words is "five million, one hundred twenty-six thousand, three hundred eighty-nine".