2585434 has 4 divisors (see below), whose sum is σ = 3878154. Its totient is φ = 1292716.

The previous prime is 2585417. The next prime is 2585447. The reversal of 2585434 is 4345852.

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., 2576025 + 9409 = 1605^2 + 97^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2585396 and 2585405.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 646357 + ... + 646360.

2^2585434 is an apocalyptic number.

2585434 is a deficient number, since it is larger than the sum of its proper divisors (1292720).

2585434 is a wasteful number, since it uses less digits than its factorization.

2585434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292719.

The product of its digits is 19200, while the sum is 31.

The square root of 2585434 is about 1607.9284809966. The cubic root of 2585434 is about 137.2496203829.

The spelling of 2585434 in words is "two million, five hundred eighty-five thousand, four hundred thirty-four".