302028247 has 2 divisors, whose sum is σ = 302028248. Its totient is φ = 302028246.

The previous prime is 302028241. The next prime is 302028253. The reversal of 302028247 is 742820203.

It is a balanced prime because it is at equal distance from previous prime (302028241) and next prime (302028253).

It is a cyclic number.

It is not a de Polignac number, because 302028247 - 2²³ = 293639639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302028241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151014123 + 151014124.

It is an arithmetic number, because the mean of its divisors is an integer number (151014124).

Almost surely, 2^302028247 is an apocalyptic number.

302028247 is a deficient number, since it is larger than the sum of its proper divisors (1).

302028247 is an equidigital number, since it uses as much as digits as its factorization.

302028247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 302028247 is about 17378.9598940788. The cubic root of 302028247 is about 670.9382022166.

The spelling of 302028247 in words is "three hundred two million, twenty-eight thousand, two hundred forty-seven".