5646913 has 4 divisors (see below), whose sum is σ = 5678640. Its totient is φ = 5615188.

The previous prime is 5646899. The next prime is 5646917. The reversal of 5646913 is 3196465.

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.

It is a cyclic number.

It is not a de Polignac number, because 5646913 - 2⁵ = 5646881 is a prime.

It is a Duffinian number.

5646913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5646917) 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, 15595 + ... + 15952.

It is an arithmetic number, because the mean of its divisors is an integer number (1419660).

Almost surely, 2^5646913 is an apocalyptic number.

It is an amenable number.

5646913 is a deficient number, since it is larger than the sum of its proper divisors (31727).

5646913 is a wasteful number, since it uses less digits than its factorization.

5646913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31726.

The product of its digits is 19440, while the sum is 34.

The square root of 5646913 is about 2376.3234207490. The cubic root of 5646913 is about 178.0753058460.

The spelling of 5646913 in words is "five million, six hundred forty-six thousand, nine hundred thirteen".