28625759 has 2 divisors, whose sum is σ = 28625760. Its totient is φ = 28625758.

The previous prime is 28625713. The next prime is 28625783. The reversal of 28625759 is 95752682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28625759 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 (28621759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14312879 + 14312880.

It is an arithmetic number, because the mean of its divisors is an integer number (14312880).

Almost surely, 2^28625759 is an apocalyptic number.

28625759 is a deficient number, since it is larger than the sum of its proper divisors (1).

28625759 is an equidigital number, since it uses as much as digits as its factorization.

28625759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 28625759 is about 5350.3045707698. The cubic root of 28625759 is about 305.9043622977.

The spelling of 28625759 in words is "twenty-eight million, six hundred twenty-five thousand, seven hundred fifty-nine".