25828593 has 32 divisors (see below), whose sum is σ = 42301440. Its totient is φ = 13681920.

The previous prime is 25828577. The next prime is 25828597. The reversal of 25828593 is 39582852.

It is not a de Polignac number, because 25828593 - 2⁴ = 25828577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25828597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24838 + ... + 25856.

It is an arithmetic number, because the mean of its divisors is an integer number (1321920).

Almost surely, 2^25828593 is an apocalyptic number.

It is an amenable number.

25828593 is a deficient number, since it is larger than the sum of its proper divisors (16472847).

25828593 is a wasteful number, since it uses less digits than its factorization.

25828593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its digits is 172800, while the sum is 42.

The square root of 25828593 is about 5082.1838809709. The cubic root of 25828593 is about 295.5971548461.

It can be divided in two parts, 2582 and 8593, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 25828593 in words is "twenty-five million, eight hundred twenty-eight thousand, five hundred ninety-three".