65287247 has 2 divisors, whose sum is σ = 65287248. Its totient is φ = 65287246.

The previous prime is 65287241. The next prime is 65287267. The reversal of 65287247 is 74278256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65287247 - 2²² = 61092943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65287241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32643623 + 32643624.

It is an arithmetic number, because the mean of its divisors is an integer number (32643624).

Almost surely, 2^65287247 is an apocalyptic number.

65287247 is a deficient number, since it is larger than the sum of its proper divisors (1).

65287247 is an equidigital number, since it uses as much as digits as its factorization.

65287247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 65287247 is about 8080.0524131963. The cubic root of 65287247 is about 402.6639831803.

The spelling of 65287247 in words is "sixty-five million, two hundred eighty-seven thousand, two hundred forty-seven".