2552643187 has 8 divisors (see below), whose sum is σ = 2604512880. Its totient is φ = 2500910880.

The previous prime is 2552643167. The next prime is 2552643227. The reversal of 2552643187 is 7813462552.

2552643187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2552643187 - 2³¹ = 405159539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552643167) 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, 3612 + ... + 71542.

It is an arithmetic number, because the mean of its divisors is an integer number (325564110).

Almost surely, 2^2552643187 is an apocalyptic number.

2552643187 is a deficient number, since it is larger than the sum of its proper divisors (51869693).

2552643187 is an equidigital number, since it uses as much as digits as its factorization.

2552643187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68693.

The product of its digits is 403200, while the sum is 43.

The square root of 2552643187 is about 50523.6893644951. The cubic root of 2552643187 is about 1366.6690861812.

The spelling of 2552643187 in words is "two billion, five hundred fifty-two million, six hundred forty-three thousand, one hundred eighty-seven".