2152511 has 2 divisors, whose sum is σ = 2152512. Its totient is φ = 2152510.

The previous prime is 2152499. The next prime is 2152517. The reversal of 2152511 is 1152512.

2152511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152511 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152517) 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, 1076255 + 1076256.

It is an arithmetic number, because the mean of its divisors is an integer number (1076256).

2^2152511 is an apocalyptic number.

2152511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152511 is an equidigital number, since it uses as much as digits as its factorization.

2152511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100, while the sum is 17.

The square root of 2152511 is about 1467.1438238973. The cubic root of 2152511 is about 129.1165143254.

Subtracting from 2152511 its reverse (1152512), we obtain a palindrome (999999).

The spelling of 2152511 in words is "two million, one hundred fifty-two thousand, five hundred eleven".