5125439 has 6 divisors (see below), whose sum is σ = 5633880. Its totient is φ = 4659380.

The previous prime is 5125429. The next prime is 5125453. The reversal of 5125439 is 9345215.

It is not a de Polignac number, because 5125439 - 2¹⁶ = 5059903 is a prime.

It is a d-powerful number, because it can be written as 5 + 1 + 2³ + 5⁷ + 4⁹ + 3⁷ + 9⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21059 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (938980).

Almost surely, 2^5125439 is an apocalyptic number.

5125439 is a deficient number, since it is larger than the sum of its proper divisors (508441).

5125439 is a wasteful number, since it uses less digits than its factorization.

5125439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42381 (or 42370 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 5125439 is about 2263.9432413380. The cubic root of 5125439 is about 172.4157846993.

The spelling of 5125439 in words is "five million, one hundred twenty-five thousand, four hundred thirty-nine".