4525139 has 2 divisors, whose sum is σ = 4525140. Its totient is φ = 4525138.

The previous prime is 4525121. The next prime is 4525151. The reversal of 4525139 is 9315254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4525139 - 2¹⁶ = 4459603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4525109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262569 + 2262570.

It is an arithmetic number, because the mean of its divisors is an integer number (2262570).

Almost surely, 2^4525139 is an apocalyptic number.

4525139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4525139 is an equidigital number, since it uses as much as digits as its factorization.

4525139 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4525139 is about 2127.2374103517. The cubic root of 4525139 is about 165.4032256131.

It can be divided in two parts, 4525 and 139, that added together give a palindrome (4664).

The spelling of 4525139 in words is "four million, five hundred twenty-five thousand, one hundred thirty-nine".