65275579 has 2 divisors, whose sum is σ = 65275580. Its totient is φ = 65275578.

The previous prime is 65275577. The next prime is 65275589. The reversal of 65275579 is 97557256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65275579 - 2¹ = 65275577 is a prime.

Together with 65275577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65275571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32637789 + 32637790.

It is an arithmetic number, because the mean of its divisors is an integer number (32637790).

Almost surely, 2^65275579 is an apocalyptic number.

65275579 is a deficient number, since it is larger than the sum of its proper divisors (1).

65275579 is an equidigital number, since it uses as much as digits as its factorization.

65275579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 661500, while the sum is 46.

The square root of 65275579 is about 8079.3303559144. The cubic root of 65275579 is about 402.6399939967.

The spelling of 65275579 in words is "sixty-five million, two hundred seventy-five thousand, five hundred seventy-nine".