65232779 has 2 divisors, whose sum is σ = 65232780. Its totient is φ = 65232778.

The previous prime is 65232743. The next prime is 65232781. The reversal of 65232779 is 97723256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65232779 - 2¹⁶ = 65167243 is a prime.

Together with 65232781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65232709) 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, 32616389 + 32616390.

It is an arithmetic number, because the mean of its divisors is an integer number (32616390).

Almost surely, 2^65232779 is an apocalyptic number.

65232779 is a deficient number, since it is larger than the sum of its proper divisors (1).

65232779 is an equidigital number, since it uses as much as digits as its factorization.

65232779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 65232779 is about 8076.6811872204. The cubic root of 65232779 is about 402.5519735362.

The spelling of 65232779 in words is "sixty-five million, two hundred thirty-two thousand, seven hundred seventy-nine".