28753499 has 2 divisors, whose sum is σ = 28753500. Its totient is φ = 28753498.

The previous prime is 28753493. The next prime is 28753531. The reversal of 28753499 is 99435782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28753499 - 2¹⁶ = 28687963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28753493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376749 + 14376750.

It is an arithmetic number, because the mean of its divisors is an integer number (14376750).

Almost surely, 2^28753499 is an apocalyptic number.

28753499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28753499 is an equidigital number, since it uses as much as digits as its factorization.

28753499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 28753499 is about 5362.2289208873. The cubic root of 28753499 is about 306.3587111488.

The spelling of 28753499 in words is "twenty-eight million, seven hundred fifty-three thousand, four hundred ninety-nine".