2587645212 has 24 divisors (see below), whose sum is σ = 6074885376. Its totient is φ = 857256048.

The previous prime is 2587645201. The next prime is 2587645217. The reversal of 2587645212 is 2125467852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587645217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659508 + ... + 663419.

It is an arithmetic number, because the mean of its divisors is an integer number (253120224).

Almost surely, 2^2587645212 is an apocalyptic number.

It is an amenable number.

2587645212 is an abundant number, since it is smaller than the sum of its proper divisors (3487240164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2587645212 is a wasteful number, since it uses less digits than its factorization.

2587645212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323097 (or 1323095 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 2587645212 is about 50868.9022095032. The cubic root of 2587645212 is about 1372.8873715895.

The spelling of 2587645212 in words is "two billion, five hundred eighty-seven million, six hundred forty-five thousand, two hundred twelve".