5642817 has 4 divisors (see below), whose sum is σ = 7523760. Its totient is φ = 3761876.

The previous prime is 5642803. The next prime is 5642839. The reversal of 5642817 is 7182465.

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 5642817 - 2⁴ = 5642801 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5642017) 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, 940467 + ... + 940472.

It is an arithmetic number, because the mean of its divisors is an integer number (1880940).

Almost surely, 2^5642817 is an apocalyptic number.

It is an amenable number.

5642817 is a deficient number, since it is larger than the sum of its proper divisors (1880943).

5642817 is a wasteful number, since it uses less digits than its factorization.

5642817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880942.

The product of its digits is 13440, while the sum is 33.

The square root of 5642817 is about 2375.4614288597. The cubic root of 5642817 is about 178.0322396681.

The spelling of 5642817 in words is "five million, six hundred forty-two thousand, eight hundred seventeen".