2587393 has 4 divisors (see below), whose sum is σ = 2591680. Its totient is φ = 2583108.

The previous prime is 2587357. The next prime is 2587399. The reversal of 2587393 is 3937852.

2587393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2587393 - 2¹³ = 2579201 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 8⁵ + 7⁴ + 3¹⁰ + 9⁴ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (647920).

2^2587393 is an apocalyptic number.

It is an amenable number.

2587393 is a deficient number, since it is larger than the sum of its proper divisors (4287).

2587393 is an equidigital number, since it uses as much as digits as its factorization.

2587393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286.

The product of its digits is 45360, while the sum is 37.

The square root of 2587393 is about 1608.5375345325. The cubic root of 2587393 is about 137.2842766052.

The spelling of 2587393 in words is "two million, five hundred eighty-seven thousand, three hundred ninety-three".