5642815 has 8 divisors (see below), whose sum is σ = 6784848. Its totient is φ = 4505280.

The previous prime is 5642803. The next prime is 5642839. The reversal of 5642815 is 5182465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5642815 - 2⁵ = 5642783 is a prime.

It is a super-2 number, since 2×5642815² = 63682722248450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (848106).

Almost surely, 2^5642815 is an apocalyptic number.

5642815 is a deficient number, since it is larger than the sum of its proper divisors (1142033).

5642815 is a wasteful number, since it uses less digits than its factorization.

5642815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its digits is 9600, while the sum is 31.

The square root of 5642815 is about 2375.4610078888. The cubic root of 5642815 is about 178.0322186346.

The spelling of 5642815 in words is "five million, six hundred forty-two thousand, eight hundred fifteen".