2559993 has 8 divisors (see below), whose sum is σ = 3505728. Its totient is φ = 1660464.

The previous prime is 2559989. The next prime is 2560021. The reversal of 2559993 is 3999552.

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

It is not a de Polignac number, because 2559993 - 2² = 2559989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2559913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11421 + ... + 11642.

It is an arithmetic number, because the mean of its divisors is an integer number (438216).

2^2559993 is an apocalyptic number.

It is an amenable number.

2559993 is a deficient number, since it is larger than the sum of its proper divisors (945735).

2559993 is a wasteful number, since it uses less digits than its factorization.

2559993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23103.

The product of its digits is 109350, while the sum is 42.

The square root of 2559993 is about 1599.9978124985. The cubic root of 2559993 is about 136.7979510483.

The spelling of 2559993 in words is "two million, five hundred fifty-nine thousand, nine hundred ninety-three".