5195639 has 2 divisors, whose sum is σ = 5195640. Its totient is φ = 5195638.

The previous prime is 5195609. The next prime is 5195653. The reversal of 5195639 is 9365915.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5195639 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5195609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597819 + 2597820.

It is an arithmetic number, because the mean of its divisors is an integer number (2597820).

Almost surely, 2^5195639 is an apocalyptic number.

5195639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5195639 is an equidigital number, since it uses as much as digits as its factorization.

5195639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 38.

The square root of 5195639 is about 2279.3944371258. The cubic root of 5195639 is about 173.1993758722.

The spelling of 5195639 in words is "five million, one hundred ninety-five thousand, six hundred thirty-nine".