28801351 has 2 divisors, whose sum is σ = 28801352. Its totient is φ = 28801350.

The previous prime is 28801319. The next prime is 28801361. The reversal of 28801351 is 15310882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28801351 - 2⁵ = 28801319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28801361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400675 + 14400676.

It is an arithmetic number, because the mean of its divisors is an integer number (14400676).

Almost surely, 2^28801351 is an apocalyptic number.

28801351 is a deficient number, since it is larger than the sum of its proper divisors (1).

28801351 is an equidigital number, since it uses as much as digits as its factorization.

28801351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 28801351 is about 5366.6890165166. The cubic root of 28801351 is about 306.5285658642.

The spelling of 28801351 in words is "twenty-eight million, eight hundred one thousand, three hundred fifty-one".