5139225 has 72 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 2160000.

The previous prime is 5139223. The next prime is 5139257. The reversal of 5139225 is 5229315.

It is not a de Polignac number, because 5139225 - 2¹ = 5139223 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5139221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20350 + ... + 20600.

It is an arithmetic number, because the mean of its divisors is an integer number (157976).

Almost surely, 2^5139225 is an apocalyptic number.

It is an amenable number.

5139225 is an abundant number, since it is smaller than the sum of its proper divisors (6235047).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5139225 is a wasteful number, since it uses less digits than its factorization.

5139225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 279 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5139225 is about 2266.9858843848. The cubic root of 5139225 is about 172.5702297526.

The spelling of 5139225 in words is "five million, one hundred thirty-nine thousand, two hundred twenty-five".