28233061 has 2 divisors, whose sum is σ = 28233062. Its totient is φ = 28233060.

The previous prime is 28233059. The next prime is 28233077. The reversal of 28233061 is 16033282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 4124961 = 4910^2 + 2031^2 .

It is a cyclic number.

It is not a de Polignac number, because 28233061 - 2¹ = 28233059 is a prime.

Together with 28233059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28233011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14116530 + 14116531.

It is an arithmetic number, because the mean of its divisors is an integer number (14116531).

Almost surely, 2^28233061 is an apocalyptic number.

It is an amenable number.

28233061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28233061 is an equidigital number, since it uses as much as digits as its factorization.

28233061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 28233061 is about 5313.4791803488. The cubic root of 28233061 is about 304.4990828118.

The spelling of 28233061 in words is "twenty-eight million, two hundred thirty-three thousand, sixty-one".