5091005 has 4 divisors (see below), whose sum is σ = 6109212. Its totient is φ = 4072800.

The previous prime is 5091001. The next prime is 5091013. The reversal of 5091005 is 5001905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5001905 = 5 ⋅1000381.

It can be written as a sum of positive squares in 2 ways, for example, as 822649 + 4268356 = 907^2 + 2066^2 .

It is not a de Polignac number, because 5091005 - 2² = 5091001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509096 + ... + 509105.

It is an arithmetic number, because the mean of its divisors is an integer number (1527303).

Almost surely, 2^5091005 is an apocalyptic number.

It is an amenable number.

5091005 is a deficient number, since it is larger than the sum of its proper divisors (1018207).

5091005 is a wasteful number, since it uses less digits than its factorization.

5091005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018206.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 5091005 is about 2256.3255527516. The cubic root of 5091005 is about 172.0288057938.

The spelling of 5091005 in words is "five million, ninety-one thousand, five".