5640241 has 4 divisors (see below), whose sum is σ = 5667184. Its totient is φ = 5613300.

The previous prime is 5640211. The next prime is 5640251. The reversal of 5640241 is 1420465.

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: 1420465 = 5 ⋅284093.

It is a cyclic number.

It is not a de Polignac number, because 5640241 - 2⁹ = 5639729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640211) 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, 13155 + ... + 13576.

It is an arithmetic number, because the mean of its divisors is an integer number (1416796).

Almost surely, 2^5640241 is an apocalyptic number.

It is an amenable number.

5640241 is a deficient number, since it is larger than the sum of its proper divisors (26943).

5640241 is a wasteful number, since it uses less digits than its factorization.

5640241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26942.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5640241 is about 2374.9191565188. The cubic root of 5640241 is about 178.0051444038.

The spelling of 5640241 in words is "five million, six hundred forty thousand, two hundred forty-one".