2585187045 has 24 divisors (see below), whose sum is σ = 5121133056. Its totient is φ = 1181799648.

The previous prime is 2585187037. The next prime is 2585187067. The reversal of 2585187045 is 5407815852.

2585187045 is a `hidden beast` number, since 25 + 8 + 518 + 70 + 45 = 666.

2585187045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2585187045 - 2³ = 2585187037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4103157 + ... + 4103786.

It is an arithmetic number, because the mean of its divisors is an integer number (213380544).

Almost surely, 2^2585187045 is an apocalyptic number.

It is an amenable number.

2585187045 is a deficient number, since it is larger than the sum of its proper divisors (2535946011).

2585187045 is a wasteful number, since it uses less digits than its factorization.

2585187045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206961 (or 8206958 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 2585187045 is about 50844.7346831508. The cubic root of 2585187045 is about 1372.4525031589.

It can be divided in two parts, 25851 and 87045, that added together give a square (112896 = 336²).

The spelling of 2585187045 in words is "two billion, five hundred eighty-five million, one hundred eighty-seven thousand, forty-five".