5649013 has 4 divisors (see below), whose sum is σ = 5677600. Its totient is φ = 5620428.

The previous prime is 5649011. The next prime is 5649019. The reversal of 5649013 is 3109465.

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: 3109465 = 5 ⋅621893.

It is a cyclic number.

It is not a de Polignac number, because 5649013 - 2¹ = 5649011 is a prime.

It is a super-2 number, since 2×5649013² = 63822695748338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649011) 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, 13995 + ... + 14392.

It is an arithmetic number, because the mean of its divisors is an integer number (1419400).

Almost surely, 2^5649013 is an apocalyptic number.

It is an amenable number.

5649013 is a deficient number, since it is larger than the sum of its proper divisors (28587).

5649013 is a wasteful number, since it uses less digits than its factorization.

5649013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28586.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5649013 is about 2376.7652387226. The cubic root of 5649013 is about 178.0973775983.

The spelling of 5649013 in words is "five million, six hundred forty-nine thousand, thirteen".