65690263 has 2 divisors, whose sum is σ = 65690264. Its totient is φ = 65690262.

The previous prime is 65690237. The next prime is 65690293. The reversal of 65690263 is 36209656.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65690263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65690203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32845131 + 32845132.

It is an arithmetic number, because the mean of its divisors is an integer number (32845132).

Almost surely, 2^65690263 is an apocalyptic number.

65690263 is a deficient number, since it is larger than the sum of its proper divisors (1).

65690263 is an equidigital number, since it uses as much as digits as its factorization.

65690263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 65690263 is about 8104.9529918439. The cubic root of 65690263 is about 403.4908279284.

The spelling of 65690263 in words is "sixty-five million, six hundred ninety thousand, two hundred sixty-three".