5099991 has 8 divisors (see below), whose sum is σ = 7323120. Its totient is φ = 3138432.

The previous prime is 5099989. The next prime is 5099993. The reversal of 5099991 is 1999905.

5099991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5099989) and next prime (5099993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5099991 - 2¹ = 5099989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5099993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65346 + ... + 65423.

It is an arithmetic number, because the mean of its divisors is an integer number (915390).

Almost surely, 2^5099991 is an apocalyptic number.

5099991 is a deficient number, since it is larger than the sum of its proper divisors (2223129).

5099991 is a wasteful number, since it uses less digits than its factorization.

5099991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130785.

The product of its (nonzero) digits is 32805, while the sum is 42.

The square root of 5099991 is about 2258.3159654929. The cubic root of 5099991 is about 172.1299608196.

The spelling of 5099991 in words is "five million, ninety-nine thousand, nine hundred ninety-one".