65700617 has 2 divisors, whose sum is σ = 65700618. Its totient is φ = 65700616.

The previous prime is 65700589. The next prime is 65700623. The reversal of 65700617 is 71600756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 20394256 = 6731^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 65700617 - 2¹⁰ = 65699593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65700667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32850308 + 32850309.

It is an arithmetic number, because the mean of its divisors is an integer number (32850309).

Almost surely, 2^65700617 is an apocalyptic number.

It is an amenable number.

65700617 is a deficient number, since it is larger than the sum of its proper divisors (1).

65700617 is an equidigital number, since it uses as much as digits as its factorization.

65700617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 65700617 is about 8105.5917118986. The cubic root of 65700617 is about 403.5120260196.

The spelling of 65700617 in words is "sixty-five million, seven hundred thousand, six hundred seventeen".