28451411 has 2 divisors, whose sum is σ = 28451412. Its totient is φ = 28451410.

The previous prime is 28451399. The next prime is 28451413. The reversal of 28451411 is 11415482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28451411 - 2¹⁴ = 28435027 is a prime.

Together with 28451413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28451413) 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, 14225705 + 14225706.

It is an arithmetic number, because the mean of its divisors is an integer number (14225706).

Almost surely, 2^28451411 is an apocalyptic number.

28451411 is a deficient number, since it is larger than the sum of its proper divisors (1).

28451411 is an equidigital number, since it uses as much as digits as its factorization.

28451411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 26.

The square root of 28451411 is about 5333.9864079317. The cubic root of 28451411 is about 305.2820502988.

Adding to 28451411 its reverse (11415482), we get a palindrome (39866893).

The spelling of 28451411 in words is "twenty-eight million, four hundred fifty-one thousand, four hundred eleven".