28741313 has 2 divisors, whose sum is σ = 28741314. Its totient is φ = 28741312.

The previous prime is 28741303. The next prime is 28741327. The reversal of 28741313 is 31314782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26142769 + 2598544 = 5113^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 28741313 - 2¹⁰ = 28740289 is a prime.

It is not a weakly prime, because it can be changed into another prime (28741303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370656 + 14370657.

It is an arithmetic number, because the mean of its divisors is an integer number (14370657).

Almost surely, 2^28741313 is an apocalyptic number.

It is an amenable number.

28741313 is a deficient number, since it is larger than the sum of its proper divisors (1).

28741313 is an equidigital number, since it uses as much as digits as its factorization.

28741313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 28741313 is about 5361.0925192539. The cubic root of 28741313 is about 306.3154258107.

The spelling of 28741313 in words is "twenty-eight million, seven hundred forty-one thousand, three hundred thirteen".