65901611 has 2 divisors, whose sum is σ = 65901612. Its totient is φ = 65901610.

The previous prime is 65901607. The next prime is 65901623. The reversal of 65901611 is 11610956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65901611 - 2² = 65901607 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65981611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32950805 + 32950806.

It is an arithmetic number, because the mean of its divisors is an integer number (32950806).

Almost surely, 2^65901611 is an apocalyptic number.

65901611 is a deficient number, since it is larger than the sum of its proper divisors (1).

65901611 is an equidigital number, since it uses as much as digits as its factorization.

65901611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 65901611 is about 8117.9807218298. The cubic root of 65901611 is about 403.9230872602.

The spelling of 65901611 in words is "sixty-five million, nine hundred one thousand, six hundred eleven".