5202139 has 4 divisors (see below), whose sum is σ = 5260680. Its totient is φ = 5143600.

The previous prime is 5202137. The next prime is 5202151. The reversal of 5202139 is 9312025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5202139 - 2¹ = 5202137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5202133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29137 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (1315170).

Almost surely, 2^5202139 is an apocalyptic number.

5202139 is a deficient number, since it is larger than the sum of its proper divisors (58541).

5202139 is an equidigital number, since it uses as much as digits as its factorization.

5202139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58540.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5202139 is about 2280.8198087530. The cubic root of 5202139 is about 173.2715727534.

The spelling of 5202139 in words is "five million, two hundred two thousand, one hundred thirty-nine".