5643515 has 4 divisors (see below), whose sum is σ = 6772224. Its totient is φ = 4514808.

The previous prime is 5643509. The next prime is 5643529. The reversal of 5643515 is 5153465.

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 5643515 - 2⁸ = 5643259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564347 + ... + 564356.

It is an arithmetic number, because the mean of its divisors is an integer number (1693056).

Almost surely, 2^5643515 is an apocalyptic number.

5643515 is a deficient number, since it is larger than the sum of its proper divisors (1128709).

5643515 is a wasteful number, since it uses less digits than its factorization.

5643515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128708.

The product of its digits is 9000, while the sum is 29.

The square root of 5643515 is about 2375.6083431408. The cubic root of 5643515 is about 178.0395800550.

The spelling of 5643515 in words is "five million, six hundred forty-three thousand, five hundred fifteen".