65046661 has 2 divisors, whose sum is σ = 65046662. Its totient is φ = 65046660.

The previous prime is 65046643. The next prime is 65046673. The reversal of 65046661 is 16664056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 950625 = 8006^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 65046661 - 2¹¹ = 65044613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65046361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32523330 + 32523331.

It is an arithmetic number, because the mean of its divisors is an integer number (32523331).

Almost surely, 2^65046661 is an apocalyptic number.

It is an amenable number.

65046661 is a deficient number, since it is larger than the sum of its proper divisors (1).

65046661 is an equidigital number, since it uses as much as digits as its factorization.

65046661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 65046661 is about 8065.1510215246. The cubic root of 65046661 is about 402.1687636587.

The spelling of 65046661 in words is "sixty-five million, forty-six thousand, six hundred sixty-one".