4725139 has 2 divisors, whose sum is σ = 4725140. Its totient is φ = 4725138.

The previous prime is 4725137. The next prime is 4725151. The reversal of 4725139 is 9315274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4725139 - 2¹ = 4725137 is a prime.

Together with 4725137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4725139.

It is not a weakly prime, because it can be changed into another prime (4725131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2362569 + 2362570.

It is an arithmetic number, because the mean of its divisors is an integer number (2362570).

Almost surely, 2^4725139 is an apocalyptic number.

4725139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4725139 is an equidigital number, since it uses as much as digits as its factorization.

4725139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 4725139 is about 2173.7384847309. The cubic root of 4725139 is about 167.8049867750.

The spelling of 4725139 in words is "four million, seven hundred twenty-five thousand, one hundred thirty-nine".