28573037 has 2 divisors, whose sum is σ = 28573038. Its totient is φ = 28573036.

The previous prime is 28573031. The next prime is 28573043. The reversal of 28573037 is 73037582.

It is a balanced prime because it is at equal distance from previous prime (28573031) and next prime (28573043).

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 894916 = 5261^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 28573037 - 2⁸ = 28572781 is a prime.

It is equal to p_1774862 and since 28573037 and 1774862 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 28572988 and 28573006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28573031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286518 + 14286519.

It is an arithmetic number, because the mean of its divisors is an integer number (14286519).

Almost surely, 2^28573037 is an apocalyptic number.

It is an amenable number.

28573037 is a deficient number, since it is larger than the sum of its proper divisors (1).

28573037 is an equidigital number, since it uses as much as digits as its factorization.

28573037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 28573037 is about 5345.3752908472. The cubic root of 28573037 is about 305.7164452867.

The spelling of 28573037 in words is "twenty-eight million, five hundred seventy-three thousand, thirty-seven".