2511151 has 2 divisors, whose sum is σ = 2511152. Its totient is φ = 2511150.

The previous prime is 2511149. The next prime is 2511161. The reversal of 2511151 is 1511152.

2511151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2511151 - 2¹ = 2511149 is a prime.

Together with 2511149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255575 + 1255576.

It is an arithmetic number, because the mean of its divisors is an integer number (1255576).

2^2511151 is an apocalyptic number.

2511151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511151 is an equidigital number, since it uses as much as digits as its factorization.

2511151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50, while the sum is 16.

The square root of 2511151 is about 1584.6611625202. The cubic root of 2511151 is about 135.9223713555.

Subtracting from 2511151 its reverse (1511152), we obtain a palindrome (999999).

It can be divided in two parts, 2511 and 151, that added together give a palindrome (2662).

The spelling of 2511151 in words is "two million, five hundred eleven thousand, one hundred fifty-one".