28527047 has 2 divisors, whose sum is σ = 28527048. Its totient is φ = 28527046.

The previous prime is 28527043. The next prime is 28527053. The reversal of 28527047 is 74072582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28527047 - 2² = 28527043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28526998 and 28527016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28527041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14263523 + 14263524.

It is an arithmetic number, because the mean of its divisors is an integer number (14263524).

Almost surely, 2^28527047 is an apocalyptic number.

28527047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28527047 is an equidigital number, since it uses as much as digits as its factorization.

28527047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 28527047 is about 5341.0717089363. The cubic root of 28527047 is about 305.5523342813.

The spelling of 28527047 in words is "twenty-eight million, five hundred twenty-seven thousand, forty-seven".