2585426 has 4 divisors (see below), whose sum is σ = 3878142. Its totient is φ = 1292712.

The previous prime is 2585417. The next prime is 2585447. The reversal of 2585426 is 6245852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 765625 = 1349^2 + 875^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2585392 and 2585401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646355 + ... + 646358.

2^2585426 is an apocalyptic number.

2585426 is a deficient number, since it is larger than the sum of its proper divisors (1292716).

2585426 is a wasteful number, since it uses less digits than its factorization.

2585426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292715.

The product of its digits is 19200, while the sum is 32.

The square root of 2585426 is about 1607.9259933218. The cubic root of 2585426 is about 137.2494788208.

The spelling of 2585426 in words is "two million, five hundred eighty-five thousand, four hundred twenty-six".