28522903 has 2 divisors, whose sum is σ = 28522904. Its totient is φ = 28522902.

The previous prime is 28522861. The next prime is 28522919. The reversal of 28522903 is 30922582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28522903 - 2¹³ = 28514711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28522943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14261451 + 14261452.

It is an arithmetic number, because the mean of its divisors is an integer number (14261452).

Almost surely, 2^28522903 is an apocalyptic number.

28522903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28522903 is an equidigital number, since it uses as much as digits as its factorization.

28522903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28522903 is about 5340.6837577224. The cubic root of 28522903 is about 305.5375381454.

The spelling of 28522903 in words is "twenty-eight million, five hundred twenty-two thousand, nine hundred three".