65395997 has 2 divisors, whose sum is σ = 65395998. Its totient is φ = 65395996.

The previous prime is 65395987. The next prime is 65395999. The reversal of 65395997 is 79959356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44702596 + 20693401 = 6686^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 65395997 - 2⁶ = 65395933 is a prime.

Together with 65395999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65395999) 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, 32697998 + 32697999.

It is an arithmetic number, because the mean of its divisors is an integer number (32697999).

Almost surely, 2^65395997 is an apocalyptic number.

It is an amenable number.

65395997 is a deficient number, since it is larger than the sum of its proper divisors (1).

65395997 is an equidigital number, since it uses as much as digits as its factorization.

65395997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 53.

The square root of 65395997 is about 8086.7791487093. The cubic root of 65395997 is about 402.8874337465.

The spelling of 65395997 in words is "sixty-five million, three hundred ninety-five thousand, nine hundred ninety-seven".