28635037 has 2 divisors, whose sum is σ = 28635038. Its totient is φ = 28635036.

The previous prime is 28635031. The next prime is 28635043. The reversal of 28635037 is 73053682.

It is a balanced prime because it is at equal distance from previous prime (28635031) and next prime (28635043).

It can be written as a sum of positive squares in only one way, i.e., 26357956 + 2277081 = 5134^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 28635037 - 2⁷ = 28634909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28634993 and 28635011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28635031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317518 + 14317519.

It is an arithmetic number, because the mean of its divisors is an integer number (14317519).

Almost surely, 2^28635037 is an apocalyptic number.

It is an amenable number.

28635037 is a deficient number, since it is larger than the sum of its proper divisors (1).

28635037 is an equidigital number, since it uses as much as digits as its factorization.

28635037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 28635037 is about 5351.1715539683. The cubic root of 28635037 is about 305.9374079903.

The spelling of 28635037 in words is "twenty-eight million, six hundred thirty-five thousand, thirty-seven".