28334351 has 2 divisors, whose sum is σ = 28334352. Its totient is φ = 28334350.

The previous prime is 28334347. The next prime is 28334353. The reversal of 28334351 is 15343382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28334351 - 2² = 28334347 is a prime.

Together with 28334353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28334353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14167175 + 14167176.

It is an arithmetic number, because the mean of its divisors is an integer number (14167176).

Almost surely, 2^28334351 is an apocalyptic number.

28334351 is a deficient number, since it is larger than the sum of its proper divisors (1).

28334351 is an equidigital number, since it uses as much as digits as its factorization.

28334351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 28334351 is about 5323.0020665035. The cubic root of 28334351 is about 304.8627923564.

The spelling of 28334351 in words is "twenty-eight million, three hundred thirty-four thousand, three hundred fifty-one".