65253863 has 2 divisors, whose sum is σ = 65253864. Its totient is φ = 65253862.

The previous prime is 65253841. The next prime is 65253893. The reversal of 65253863 is 36835256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65253863 - 2²⁰ = 64205287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65253893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32626931 + 32626932.

It is an arithmetic number, because the mean of its divisors is an integer number (32626932).

Almost surely, 2^65253863 is an apocalyptic number.

65253863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65253863 is an equidigital number, since it uses as much as digits as its factorization.

65253863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 65253863 is about 8077.9863208599. The cubic root of 65253863 is about 402.5953387058.

The spelling of 65253863 in words is "sixty-five million, two hundred fifty-three thousand, eight hundred sixty-three".