5138425 has 6 divisors (see below), whose sum is σ = 6371678. Its totient is φ = 4110720.

The previous prime is 5138387. The next prime is 5138443. The reversal of 5138425 is 5248315.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 5103081 = 188^2 + 2259^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5138425 is a prime.

It is a super-2 number, since 2×5138425² = 52806822961250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5138393 and 5138402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102744 + ... + 102793.

Almost surely, 2^5138425 is an apocalyptic number.

It is an amenable number.

5138425 is a deficient number, since it is larger than the sum of its proper divisors (1233253).

5138425 is a wasteful number, since it uses less digits than its factorization.

5138425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205547 (or 205542 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 5138425 is about 2266.8094317785. The cubic root of 5138425 is about 172.5612748779.

The spelling of 5138425 in words is "five million, one hundred thirty-eight thousand, four hundred twenty-five".