5099609 has 4 divisors (see below), whose sum is σ = 5399604. Its totient is φ = 4799616.

The previous prime is 5099597. The next prime is 5099617. The reversal of 5099609 is 9069905.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 2650384 = 1565^2 + 1628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5099609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5099669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149972 + ... + 150005.

It is an arithmetic number, because the mean of its divisors is an integer number (1349901).

Almost surely, 2^5099609 is an apocalyptic number.

It is an amenable number.

5099609 is a deficient number, since it is larger than the sum of its proper divisors (299995).

5099609 is a wasteful number, since it uses less digits than its factorization.

5099609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299994.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 5099609 is about 2258.2313876129. The cubic root of 5099609 is about 172.1256630808.

The spelling of 5099609 in words is "five million, ninety-nine thousand, six hundred nine".