2552442187 has 2 divisors, whose sum is σ = 2552442188. Its totient is φ = 2552442186.

The previous prime is 2552442161. The next prime is 2552442223. The reversal of 2552442187 is 7812442552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2552442187 - 2⁷ = 2552442059 is a prime.

It is a super-2 number, since 2×2552442187² = 13029922235954685938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2552442107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276221093 + 1276221094.

It is an arithmetic number, because the mean of its divisors is an integer number (1276221094).

Almost surely, 2^2552442187 is an apocalyptic number.

2552442187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552442187 is an equidigital number, since it uses as much as digits as its factorization.

2552442187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 40.

The square root of 2552442187 is about 50521.7001594364. The cubic root of 2552442187 is about 1366.6332138616.

It can be divided in two parts, 255 and 2442187, that added together give a palindrome (2442442).

The spelling of 2552442187 in words is "two billion, five hundred fifty-two million, four hundred forty-two thousand, one hundred eighty-seven".