5640011 has 4 divisors (see below), whose sum is σ = 6073872. Its totient is φ = 5206152.

The previous prime is 5639989. The next prime is 5640031. The reversal of 5640011 is 1100465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5640011 - 2¹⁴ = 5623627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640031) 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, 216911 + ... + 216936.

It is an arithmetic number, because the mean of its divisors is an integer number (1518468).

Almost surely, 2^5640011 is an apocalyptic number.

5640011 is a deficient number, since it is larger than the sum of its proper divisors (433861).

5640011 is a wasteful number, since it uses less digits than its factorization.

5640011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433860.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 5640011 is about 2374.8707333242. The cubic root of 5640011 is about 178.0027247826.

Adding to 5640011 its reverse (1100465), we get a palindrome (6740476).

The spelling of 5640011 in words is "five million, six hundred forty thousand, eleven".