28252459 has 2 divisors, whose sum is σ = 28252460. Its totient is φ = 28252458.

The previous prime is 28252451. The next prime is 28252463. The reversal of 28252459 is 95425282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28252459 - 2³ = 28252451 is a prime.

It is a super-3 number, since 3×28252459³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (28252451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126229 + 14126230.

It is an arithmetic number, because the mean of its divisors is an integer number (14126230).

Almost surely, 2^28252459 is an apocalyptic number.

28252459 is a deficient number, since it is larger than the sum of its proper divisors (1).

28252459 is an equidigital number, since it uses as much as digits as its factorization.

28252459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 28252459 is about 5315.3042245952. The cubic root of 28252459 is about 304.5688039207.

The spelling of 28252459 in words is "twenty-eight million, two hundred fifty-two thousand, four hundred fifty-nine".