28002283 has 2 divisors, whose sum is σ = 28002284. Its totient is φ = 28002282.

The previous prime is 28002277. The next prime is 28002287. The reversal of 28002283 is 38220082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28002283 is a prime.

It is not a weakly prime, because it can be changed into another prime (28002287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14001141 + 14001142.

It is an arithmetic number, because the mean of its divisors is an integer number (14001142).

Almost surely, 2^28002283 is an apocalyptic number.

28002283 is a deficient number, since it is larger than the sum of its proper divisors (1).

28002283 is an equidigital number, since it uses as much as digits as its factorization.

28002283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 28002283 is about 5291.7183409550. The cubic root of 28002283 is about 303.6671499783.

The spelling of 28002283 in words is "twenty-eight million, two thousand, two hundred eighty-three".