28672051 has 2 divisors, whose sum is σ = 28672052. Its totient is φ = 28672050.

The previous prime is 28672037. The next prime is 28672057. The reversal of 28672051 is 15027682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28672051 - 2¹¹ = 28670003 is a prime.

It is not a weakly prime, because it can be changed into another prime (28672057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14336025 + 14336026.

It is an arithmetic number, because the mean of its divisors is an integer number (14336026).

Almost surely, 2^28672051 is an apocalyptic number.

28672051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28672051 is an equidigital number, since it uses as much as digits as its factorization.

28672051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28672051 is about 5354.6289320550. The cubic root of 28672051 is about 306.0691707157.

The spelling of 28672051 in words is "twenty-eight million, six hundred seventy-two thousand, fifty-one".