5091049 has 4 divisors (see below), whose sum is σ = 5131264. Its totient is φ = 5050836.

The previous prime is 5091019. The next prime is 5091061. The reversal of 5091049 is 9401905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9401905 = 5 ⋅1880381.

It is a cyclic number.

It is not a de Polignac number, because 5091049 - 2²¹ = 2993897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091019) 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, 19917 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (1282816).

Almost surely, 2^5091049 is an apocalyptic number.

It is an amenable number.

5091049 is a deficient number, since it is larger than the sum of its proper divisors (40215).

5091049 is a wasteful number, since it uses less digits than its factorization.

5091049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40214.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5091049 is about 2256.3353030966. The cubic root of 5091049 is about 172.0293013899.

The spelling of 5091049 in words is "five million, ninety-one thousand, forty-nine".