2585681302 has 4 divisors (see below), whose sum is σ = 3878521956. Its totient is φ = 1292840650.

The previous prime is 2585681239. The next prime is 2585681303. The reversal of 2585681302 is 2031865852.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585681303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646420324 + ... + 646420327.

It is an arithmetic number, because the mean of its divisors is an integer number (969630489).

Almost surely, 2^2585681302 is an apocalyptic number.

2585681302 is a deficient number, since it is larger than the sum of its proper divisors (1292840654).

2585681302 is a wasteful number, since it uses less digits than its factorization.

2585681302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292840653.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2585681302 is about 50849.5949049744. The cubic root of 2585681302 is about 1372.5399631143.

The spelling of 2585681302 in words is "two billion, five hundred eighty-five million, six hundred eighty-one thousand, three hundred two".