5625978 has 8 divisors (see below), whose sum is σ = 11251968. Its totient is φ = 1875324.

The previous prime is 5625967. The next prime is 5626001. The reversal of 5625978 is 8795265.

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

5625978 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 468826 + ... + 468837.

It is an arithmetic number, because the mean of its divisors is an integer number (1406496).

Almost surely, 2^5625978 is an apocalyptic number.

5625978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5625978 is a wasteful number, since it uses less digits than its factorization.

5625978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937668.

The product of its digits is 151200, while the sum is 42.

The square root of 5625978 is about 2371.9144166685. The cubic root of 5625978 is about 177.8549717136.

The spelling of 5625978 in words is "five million, six hundred twenty-five thousand, nine hundred seventy-eight".