2552241551 has 4 divisors (see below), whose sum is σ = 2552363112. Its totient is φ = 2552119992.

The previous prime is 2552241547. The next prime is 2552241581. The reversal of 2552241551 is 1551422552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2552241551 - 2² = 2552241547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552241521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20300 + ... + 74273.

It is an arithmetic number, because the mean of its divisors is an integer number (638090778).

Almost surely, 2^2552241551 is an apocalyptic number.

2552241551 is a deficient number, since it is larger than the sum of its proper divisors (121561).

2552241551 is an equidigital number, since it uses as much as digits as its factorization.

2552241551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121560.

The product of its digits is 20000, while the sum is 32.

The square root of 2552241551 is about 50519.7144786073. The cubic root of 2552241551 is about 1366.5974046266.

The spelling of 2552241551 in words is "two billion, five hundred fifty-two million, two hundred forty-one thousand, five hundred fifty-one".