28100741 has 2 divisors, whose sum is σ = 28100742. Its totient is φ = 28100740.

The previous prime is 28100719. The next prime is 28100749. The reversal of 28100741 is 14700182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 11730625 = 4046^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 28100741 - 2¹⁰ = 28099717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28100749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050370 + 14050371.

It is an arithmetic number, because the mean of its divisors is an integer number (14050371).

Almost surely, 2^28100741 is an apocalyptic number.

It is an amenable number.

28100741 is a deficient number, since it is larger than the sum of its proper divisors (1).

28100741 is an equidigital number, since it uses as much as digits as its factorization.

28100741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 28100741 is about 5301.0132050392. The cubic root of 28100741 is about 304.0226386938.

The spelling of 28100741 in words is "twenty-eight million, one hundred thousand, seven hundred forty-one".