5591249 has 4 divisors (see below), whose sum is σ = 5920164. Its totient is φ = 5262336.

The previous prime is 5591233. The next prime is 5591269. The reversal of 5591249 is 9421955.

5591249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3356224 + 2235025 = 1832^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5591249 - 2⁴ = 5591233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5591269) 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, 164432 + ... + 164465.

It is an arithmetic number, because the mean of its divisors is an integer number (1480041).

Almost surely, 2^5591249 is an apocalyptic number.

It is an amenable number.

5591249 is a deficient number, since it is larger than the sum of its proper divisors (328915).

5591249 is a wasteful number, since it uses less digits than its factorization.

5591249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328914.

The product of its digits is 16200, while the sum is 35.

The square root of 5591249 is about 2364.5822041113. The cubic root of 5591249 is about 177.4882515533.

The spelling of 5591249 in words is "five million, five hundred ninety-one thousand, two hundred forty-nine".