28741913 has 2 divisors, whose sum is σ = 28741914. Its totient is φ = 28741912.

The previous prime is 28741891. The next prime is 28741981. The reversal of 28741913 is 31914782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 5345344 = 4837^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 28741913 - 2¹⁰ = 28740889 is a prime.

It is not a weakly prime, because it can be changed into another prime (28741213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370956 + 14370957.

It is an arithmetic number, because the mean of its divisors is an integer number (14370957).

Almost surely, 2^28741913 is an apocalyptic number.

It is an amenable number.

28741913 is a deficient number, since it is larger than the sum of its proper divisors (1).

28741913 is an equidigital number, since it uses as much as digits as its factorization.

28741913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 28741913 is about 5361.1484777051. The cubic root of 28741913 is about 306.3175573299.

The spelling of 28741913 in words is "twenty-eight million, seven hundred forty-one thousand, nine hundred thirteen".