28651303 has 2 divisors, whose sum is σ = 28651304. Its totient is φ = 28651302.

The previous prime is 28651291. The next prime is 28651309. The reversal of 28651303 is 30315682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28651303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28651309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14325651 + 14325652.

It is an arithmetic number, because the mean of its divisors is an integer number (14325652).

Almost surely, 2^28651303 is an apocalyptic number.

28651303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28651303 is an equidigital number, since it uses as much as digits as its factorization.

28651303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 28651303 is about 5352.6911922882. The cubic root of 28651303 is about 305.9953258004.

Adding to 28651303 its reverse (30315682), we get a palindrome (58966985).

The spelling of 28651303 in words is "twenty-eight million, six hundred fifty-one thousand, three hundred three".