65763539 has 2 divisors, whose sum is σ = 65763540. Its totient is φ = 65763538.

The previous prime is 65763487. The next prime is 65763553. The reversal of 65763539 is 93536756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65763539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65763539.

It is not a weakly prime, because it can be changed into another prime (65763559) 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, 32881769 + 32881770.

It is an arithmetic number, because the mean of its divisors is an integer number (32881770).

Almost surely, 2^65763539 is an apocalyptic number.

65763539 is a deficient number, since it is larger than the sum of its proper divisors (1).

65763539 is an equidigital number, since it uses as much as digits as its factorization.

65763539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 44.

The square root of 65763539 is about 8109.4721776451. The cubic root of 65763539 is about 403.6408004707.

The spelling of 65763539 in words is "sixty-five million, seven hundred sixty-three thousand, five hundred thirty-nine".