28452911 has 2 divisors, whose sum is σ = 28452912. Its totient is φ = 28452910.

The previous prime is 28452887. The next prime is 28452961. The reversal of 28452911 is 11925482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28452911 - 2¹⁰ = 28451887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28452961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226455 + 14226456.

It is an arithmetic number, because the mean of its divisors is an integer number (14226456).

Almost surely, 2^28452911 is an apocalyptic number.

28452911 is a deficient number, since it is larger than the sum of its proper divisors (1).

28452911 is an equidigital number, since it uses as much as digits as its factorization.

28452911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 28452911 is about 5334.1270138608. The cubic root of 28452911 is about 305.2874151766.

The spelling of 28452911 in words is "twenty-eight million, four hundred fifty-two thousand, nine hundred eleven".