28715741 has 2 divisors, whose sum is σ = 28715742. Its totient is φ = 28715740.

The previous prime is 28715711. The next prime is 28715747. The reversal of 28715741 is 14751782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27772900 + 942841 = 5270^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 28715741 - 2⁶ = 28715677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28715747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14357870 + 14357871.

It is an arithmetic number, because the mean of its divisors is an integer number (14357871).

Almost surely, 2^28715741 is an apocalyptic number.

It is an amenable number.

28715741 is a deficient number, since it is larger than the sum of its proper divisors (1).

28715741 is an equidigital number, since it uses as much as digits as its factorization.

28715741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 35.

The square root of 28715741 is about 5358.7070268862. The cubic root of 28715741 is about 306.2245528766.

It can be divided in two parts, 2871 and 5741, that multiplied together give a triangular number (16482411 = T₅₇₄₁).

The spelling of 28715741 in words is "twenty-eight million, seven hundred fifteen thousand, seven hundred forty-one".