65618363 has 2 divisors, whose sum is σ = 65618364. Its totient is φ = 65618362.

The previous prime is 65618359. The next prime is 65618401. The reversal of 65618363 is 36381656.

It is an a-pointer prime, because the next prime (65618401) can be obtained adding 65618363 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65618363 - 2² = 65618359 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (65618303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32809181 + 32809182.

It is an arithmetic number, because the mean of its divisors is an integer number (32809182).

Almost surely, 2^65618363 is an apocalyptic number.

65618363 is a deficient number, since it is larger than the sum of its proper divisors (1).

65618363 is an equidigital number, since it uses as much as digits as its factorization.

65618363 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 65618363 is about 8100.5162181184. The cubic root of 65618363 is about 403.3435631735.

The spelling of 65618363 in words is "sixty-five million, six hundred eighteen thousand, three hundred sixty-three".