2587107261 has 32 divisors (see below), whose sum is σ = 3548160000. Its totient is φ = 1676334528.

The previous prime is 2587107253. The next prime is 2587107283. The reversal of 2587107261 is 1627017852.

It is not a de Polignac number, because 2587107261 - 2³ = 2587107253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587107251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5400820 + ... + 5401298.

It is an arithmetic number, because the mean of its divisors is an integer number (110880000).

Almost surely, 2^2587107261 is an apocalyptic number.

It is an amenable number.

2587107261 is a deficient number, since it is larger than the sum of its proper divisors (961052739).

2587107261 is a wasteful number, since it uses less digits than its factorization.

2587107261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 2587107261 is about 50863.6143131807. The cubic root of 2587107261 is about 1372.7922275159.

The spelling of 2587107261 in words is "two billion, five hundred eighty-seven million, one hundred seven thousand, two hundred sixty-one".