28025071 has 2 divisors, whose sum is σ = 28025072. Its totient is φ = 28025070.

The previous prime is 28025051. The next prime is 28025077. The reversal of 28025071 is 17052082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28025071 - 2¹⁵ = 27992303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28025077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012535 + 14012536.

It is an arithmetic number, because the mean of its divisors is an integer number (14012536).

Almost surely, 2^28025071 is an apocalyptic number.

28025071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28025071 is an equidigital number, since it uses as much as digits as its factorization.

28025071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 28025071 is about 5293.8710788987. The cubic root of 28025071 is about 303.7495014866.

The spelling of 28025071 in words is "twenty-eight million, twenty-five thousand, seventy-one".