2585418853 has 2 divisors, whose sum is σ = 2585418854. Its totient is φ = 2585418852.

The previous prime is 2585418833. The next prime is 2585418887. The reversal of 2585418853 is 3588145852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2585417409 + 1444 = 50847^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 2585418853 - 2²¹ = 2583321701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2585418797 and 2585418806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2585418833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292709426 + 1292709427.

It is an arithmetic number, because the mean of its divisors is an integer number (1292709427).

Almost surely, 2^2585418853 is an apocalyptic number.

It is an amenable number.

2585418853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585418853 is an equidigital number, since it uses as much as digits as its factorization.

2585418853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536000, while the sum is 49.

The square root of 2585418853 is about 50847.0141994591. The cubic root of 2585418853 is about 1372.4935235255.

The spelling of 2585418853 in words is "two billion, five hundred eighty-five million, four hundred eighteen thousand, eight hundred fifty-three".