28583371 has 2 divisors, whose sum is σ = 28583372. Its totient is φ = 28583370.

The previous prime is 28583309. The next prime is 28583381. The reversal of 28583371 is 17338582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28583371 - 2¹⁵ = 28550603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28583371.

It is not a weakly prime, because it can be changed into another prime (28583381) 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, 14291685 + 14291686.

It is an arithmetic number, because the mean of its divisors is an integer number (14291686).

Almost surely, 2^28583371 is an apocalyptic number.

28583371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28583371 is an equidigital number, since it uses as much as digits as its factorization.

28583371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 28583371 is about 5346.3418334409. The cubic root of 28583371 is about 305.7532969632.

The spelling of 28583371 in words is "twenty-eight million, five hundred eighty-three thousand, three hundred seventy-one".