2567993 has 4 divisors (see below), whose sum is σ = 2587728. Its totient is φ = 2548260.

The previous prime is 2567987. The next prime is 2568001. The reversal of 2567993 is 3997652.

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 2567993 - 2⁴ = 2567977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2567993.

It is not an unprimeable number, because it can be changed into a prime (2567923) by changing a digit.

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, 9671 + ... + 9932.

It is an arithmetic number, because the mean of its divisors is an integer number (646932).

2^2567993 is an apocalyptic number.

It is an amenable number.

2567993 is a deficient number, since it is larger than the sum of its proper divisors (19735).

2567993 is a wasteful number, since it uses less digits than its factorization.

2567993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19734.

The product of its digits is 102060, while the sum is 41.

The square root of 2567993 is about 1602.4958658293. The cubic root of 2567993 is about 136.9403011247.

The spelling of 2567993 in words is "two million, five hundred sixty-seven thousand, nine hundred ninety-three".