5105999 has 2 divisors, whose sum is σ = 5106000. Its totient is φ = 5105998.

The previous prime is 5105993. The next prime is 5106011. The reversal of 5105999 is 9995015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5105999 - 2²⁰ = 4057423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552999 + 2553000.

It is an arithmetic number, because the mean of its divisors is an integer number (2553000).

Almost surely, 2^5105999 is an apocalyptic number.

5105999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105999 is an equidigital number, since it uses as much as digits as its factorization.

5105999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 5105999 is about 2259.6457686992. The cubic root of 5105999 is about 172.1975263622.

The spelling of 5105999 in words is "five million, one hundred five thousand, nine hundred ninety-nine".