2251532111 has 2 divisors, whose sum is σ = 2251532112. Its totient is φ = 2251532110.

The previous prime is 2251532093. The next prime is 2251532141. The reversal of 2251532111 is 1112351522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251532111 - 2¹⁴ = 2251515727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251532141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125766055 + 1125766056.

It is an arithmetic number, because the mean of its divisors is an integer number (1125766056).

Almost surely, 2^2251532111 is an apocalyptic number.

2251532111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251532111 is an equidigital number, since it uses as much as digits as its factorization.

2251532111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 2251532111 is about 47450.3120221564. The cubic root of 2251532111 is about 1310.6680567844.

Adding to 2251532111 its reverse (1112351522), we get a palindrome (3363883633).

The spelling of 2251532111 in words is "two billion, two hundred fifty-one million, five hundred thirty-two thousand, one hundred eleven".