28752751 has 2 divisors, whose sum is σ = 28752752. Its totient is φ = 28752750.

The previous prime is 28752749. The next prime is 28752769. The reversal of 28752751 is 15725782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28752751 - 2¹ = 28752749 is a prime.

Together with 28752749, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28752751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28752721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376375 + 14376376.

It is an arithmetic number, because the mean of its divisors is an integer number (14376376).

Almost surely, 2^28752751 is an apocalyptic number.

28752751 is a deficient number, since it is larger than the sum of its proper divisors (1).

28752751 is an equidigital number, since it uses as much as digits as its factorization.

28752751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 37.

The square root of 28752751 is about 5362.1591733182. The cubic root of 28752751 is about 306.3560545643.

The spelling of 28752751 in words is "twenty-eight million, seven hundred fifty-two thousand, seven hundred fifty-one".