2552581287 has 24 divisors (see below), whose sum is σ = 3731984256. Its totient is φ = 1681053696.

The previous prime is 2552581267. The next prime is 2552581289. The reversal of 2552581287 is 7821852552.

2552581287 is a `hidden beast` number, since 2 + 552 + 5 + 8 + 12 + 87 = 666.

It is not a de Polignac number, because 2552581287 - 2¹⁵ = 2552548519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552581289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527503 + ... + 532319.

It is an arithmetic number, because the mean of its divisors is an integer number (155499344).

Almost surely, 2^2552581287 is an apocalyptic number.

2552581287 is a deficient number, since it is larger than the sum of its proper divisors (1179402969).

2552581287 is a wasteful number, since it uses less digits than its factorization.

2552581287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527 (or 5524 counting only the distinct ones).

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

The square root of 2552581287 is about 50523.0767768551. The cubic root of 2552581287 is about 1366.6580391352.

The spelling of 2552581287 in words is "two billion, five hundred fifty-two million, five hundred eighty-one thousand, two hundred eighty-seven".