5640801 has 4 divisors (see below), whose sum is σ = 7521072. Its totient is φ = 3760532.

The previous prime is 5640781. The next prime is 5640823. The reversal of 5640801 is 1080465.

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 5640801 - 2⁵ = 5640769 is a prime.

It is a D-number.

5640801 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5640871) 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, 940131 + ... + 940136.

It is an arithmetic number, because the mean of its divisors is an integer number (1880268).

Almost surely, 2^5640801 is an apocalyptic number.

It is an amenable number.

5640801 is a deficient number, since it is larger than the sum of its proper divisors (1880271).

5640801 is a wasteful number, since it uses less digits than its factorization.

5640801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880270.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5640801 is about 2375.0370523426. The cubic root of 5640801 is about 178.0110353803.

It can be divided in two parts, 5640 and 801, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 5640801 in words is "five million, six hundred forty thousand, eight hundred one".