5640353 has 4 divisors (see below), whose sum is σ = 5771568. Its totient is φ = 5509140.

The previous prime is 5640347. The next prime is 5640361. The reversal of 5640353 is 3530465.

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 5640353 - 2⁴ = 5640337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640343) 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, 65543 + ... + 65628.

It is an arithmetic number, because the mean of its divisors is an integer number (1442892).

Almost surely, 2^5640353 is an apocalyptic number.

It is an amenable number.

5640353 is a deficient number, since it is larger than the sum of its proper divisors (131215).

5640353 is a wasteful number, since it uses less digits than its factorization.

5640353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131214.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 5640353 is about 2374.9427361518. The cubic root of 5640353 is about 178.0063226303.

The spelling of 5640353 in words is "five million, six hundred forty thousand, three hundred fifty-three".