28252051 has 2 divisors, whose sum is σ = 28252052. Its totient is φ = 28252050.

The previous prime is 28252043. The next prime is 28252057. The reversal of 28252051 is 15025282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28252051 - 2³ = 28252043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28252057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14126025 + 14126026.

It is an arithmetic number, because the mean of its divisors is an integer number (14126026).

Almost surely, 2^28252051 is an apocalyptic number.

28252051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28252051 is an equidigital number, since it uses as much as digits as its factorization.

28252051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 28252051 is about 5315.2658447156. The cubic root of 28252051 is about 304.5673377985.

The spelling of 28252051 in words is "twenty-eight million, two hundred fifty-two thousand, fifty-one".