28374061 has 2 divisors, whose sum is σ = 28374062. Its totient is φ = 28374060.

The previous prime is 28374053. The next prime is 28374067. The reversal of 28374061 is 16047382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19193161 + 9180900 = 4381^2 + 3030^2 .

It is a cyclic number.

It is not a de Polignac number, because 28374061 - 2³ = 28374053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28374067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187030 + 14187031.

It is an arithmetic number, because the mean of its divisors is an integer number (14187031).

Almost surely, 2^28374061 is an apocalyptic number.

It is an amenable number.

28374061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28374061 is an equidigital number, since it uses as much as digits as its factorization.

28374061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28374061 is about 5326.7307985292. The cubic root of 28374061 is about 305.0051454834.

The spelling of 28374061 in words is "twenty-eight million, three hundred seventy-four thousand, sixty-one".