65763559 has 2 divisors, whose sum is σ = 65763560. Its totient is φ = 65763558.

The previous prime is 65763553. The next prime is 65763563. The reversal of 65763559 is 95536756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65763559 - 2²³ = 57374951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65763553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32881779 + 32881780.

It is an arithmetic number, because the mean of its divisors is an integer number (32881780).

Almost surely, 2^65763559 is an apocalyptic number.

65763559 is a deficient number, since it is larger than the sum of its proper divisors (1).

65763559 is an equidigital number, since it uses as much as digits as its factorization.

65763559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 46.

The square root of 65763559 is about 8109.4734107709. The cubic root of 65763559 is about 403.6408413891.

The spelling of 65763559 in words is "sixty-five million, seven hundred sixty-three thousand, five hundred fifty-nine".