65228243 has 2 divisors, whose sum is σ = 65228244. Its totient is φ = 65228242.

The previous prime is 65228239. The next prime is 65228257. The reversal of 65228243 is 34282256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65228243 - 2² = 65228239 is a prime.

It is not a weakly prime, because it can be changed into another prime (65228263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32614121 + 32614122.

It is an arithmetic number, because the mean of its divisors is an integer number (32614122).

Almost surely, 2^65228243 is an apocalyptic number.

65228243 is a deficient number, since it is larger than the sum of its proper divisors (1).

65228243 is an equidigital number, since it uses as much as digits as its factorization.

65228243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 65228243 is about 8076.4003739290. The cubic root of 65228243 is about 402.5426427565.

The spelling of 65228243 in words is "sixty-five million, two hundred twenty-eight thousand, two hundred forty-three".