65861363 has 2 divisors, whose sum is σ = 65861364. Its totient is φ = 65861362.

The previous prime is 65861357. The next prime is 65861461. The reversal of 65861363 is 36316856.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65861363 - 2⁴ = 65861347 is a prime.

It is not a weakly prime, because it can be changed into another prime (65861303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32930681 + 32930682.

It is an arithmetic number, because the mean of its divisors is an integer number (32930682).

Almost surely, 2^65861363 is an apocalyptic number.

65861363 is a deficient number, since it is larger than the sum of its proper divisors (1).

65861363 is an equidigital number, since it uses as much as digits as its factorization.

65861363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 65861363 is about 8115.5014016387. The cubic root of 65861363 is about 403.8408413846.

The spelling of 65861363 in words is "sixty-five million, eight hundred sixty-one thousand, three hundred sixty-three".