65289907 has 2 divisors, whose sum is σ = 65289908. Its totient is φ = 65289906.

The previous prime is 65289881. The next prime is 65289919. The reversal of 65289907 is 70998256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65289907 is a prime.

It is not a weakly prime, because it can be changed into another prime (65289977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32644953 + 32644954.

It is an arithmetic number, because the mean of its divisors is an integer number (32644954).

Almost surely, 2^65289907 is an apocalyptic number.

65289907 is a deficient number, since it is larger than the sum of its proper divisors (1).

65289907 is an equidigital number, since it uses as much as digits as its factorization.

65289907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 65289907 is about 8080.2170144124. The cubic root of 65289907 is about 402.6694516891.

The spelling of 65289907 in words is "sixty-five million, two hundred eighty-nine thousand, nine hundred seven".