65255863 has 2 divisors, whose sum is σ = 65255864. Its totient is φ = 65255862.

The previous prime is 65255857. The next prime is 65255873. The reversal of 65255863 is 36855256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65255863 - 2⁵ = 65255831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65255803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32627931 + 32627932.

It is an arithmetic number, because the mean of its divisors is an integer number (32627932).

Almost surely, 2^65255863 is an apocalyptic number.

65255863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65255863 is an equidigital number, since it uses as much as digits as its factorization.

65255863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 65255863 is about 8078.1101131391. The cubic root of 65255863 is about 402.5994517826.

The spelling of 65255863 in words is "sixty-five million, two hundred fifty-five thousand, eight hundred sixty-three".