28024301 has 2 divisors, whose sum is σ = 28024302. Its totient is φ = 28024300.

The previous prime is 28024289. The next prime is 28024319. The reversal of 28024301 is 10342082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16801801 + 11222500 = 4099^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 28024301 - 2²² = 23829997 is a prime.

It is a super-2 number, since 2×28024301² = 1570722893077202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28024331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012150 + 14012151.

It is an arithmetic number, because the mean of its divisors is an integer number (14012151).

Almost surely, 2^28024301 is an apocalyptic number.

It is an amenable number.

28024301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28024301 is an equidigital number, since it uses as much as digits as its factorization.

28024301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 28024301 is about 5293.7983527898. The cubic root of 28024301 is about 303.7467195816.

Adding to 28024301 its reverse (10342082), we get a palindrome (38366383).

The spelling of 28024301 in words is "twenty-eight million, twenty-four thousand, three hundred one".