28262903 has 2 divisors, whose sum is σ = 28262904. Its totient is φ = 28262902.

The previous prime is 28262887. The next prime is 28262953. The reversal of 28262903 is 30926282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28262903 - 2⁴ = 28262887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28262903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28262953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14131451 + 14131452.

It is an arithmetic number, because the mean of its divisors is an integer number (14131452).

Almost surely, 2^28262903 is an apocalyptic number.

28262903 is a deficient number, since it is larger than the sum of its proper divisors (1).

28262903 is an equidigital number, since it uses as much as digits as its factorization.

28262903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28262903 is about 5316.2865799353. The cubic root of 28262903 is about 304.6063289695.

The spelling of 28262903 in words is "twenty-eight million, two hundred sixty-two thousand, nine hundred three".