28085051 has 2 divisors, whose sum is σ = 28085052. Its totient is φ = 28085050.

The previous prime is 28085027. The next prime is 28085087. The reversal of 28085051 is 15058082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28085051 - 2¹⁰ = 28084027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28085011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14042525 + 14042526.

It is an arithmetic number, because the mean of its divisors is an integer number (14042526).

Almost surely, 2^28085051 is an apocalyptic number.

28085051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28085051 is an equidigital number, since it uses as much as digits as its factorization.

28085051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 28085051 is about 5299.5330926413. The cubic root of 28085051 is about 303.9660446551.

The spelling of 28085051 in words is "twenty-eight million, eighty-five thousand, fifty-one".