2585388116 has 12 divisors (see below), whose sum is σ = 4525337460. Its totient is φ = 1292434560.

The previous prime is 2585388103. The next prime is 2585388131. The reversal of 2585388116 is 6118835852.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 750979216 + 1834408900 = 27404^2 + 42830^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41525 + ... + 83036.

It is an arithmetic number, because the mean of its divisors is an integer number (377111455).

Almost surely, 2^2585388116 is an apocalyptic number.

It is an amenable number.

2585388116 is a deficient number, since it is larger than the sum of its proper divisors (1939949344).

2585388116 is a wasteful number, since it uses less digits than its factorization.

2585388116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129754 (or 129752 counting only the distinct ones).

The product of its digits is 460800, while the sum is 47.

The square root of 2585388116 is about 50846.7119487583. The cubic root of 2585388116 is about 1372.4880844970.

The spelling of 2585388116 in words is "two billion, five hundred eighty-five million, three hundred eighty-eight thousand, one hundred sixteen".