5647291 has 4 divisors (see below), whose sum is σ = 6081712. Its totient is φ = 5212872.

The previous prime is 5647267. The next prime is 5647307. The reversal of 5647291 is 1927465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1927465 = 5 ⋅385493.

It is a cyclic number.

It is not a de Polignac number, because 5647291 - 2⁷ = 5647163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5647231) 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, 217191 + ... + 217216.

It is an arithmetic number, because the mean of its divisors is an integer number (1520428).

Almost surely, 2^5647291 is an apocalyptic number.

5647291 is a deficient number, since it is larger than the sum of its proper divisors (434421).

5647291 is a wasteful number, since it uses less digits than its factorization.

5647291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434420.

The product of its digits is 15120, while the sum is 34.

The square root of 5647291 is about 2376.4029540463. The cubic root of 5647291 is about 178.0792791652.

The spelling of 5647291 in words is "five million, six hundred forty-seven thousand, two hundred ninety-one".