65920097 has 2 divisors, whose sum is σ = 65920098. Its totient is φ = 65920096.

The previous prime is 65920091. The next prime is 65920111. The reversal of 65920097 is 79002956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65918161 + 1936 = 8119^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 65920097 - 2¹⁸ = 65657953 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65920097.

It is not a weakly prime, because it can be changed into another prime (65920091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32960048 + 32960049.

It is an arithmetic number, because the mean of its divisors is an integer number (32960049).

Almost surely, 2^65920097 is an apocalyptic number.

It is an amenable number.

65920097 is a deficient number, since it is larger than the sum of its proper divisors (1).

65920097 is an equidigital number, since it uses as much as digits as its factorization.

65920097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 65920097 is about 8119.1192256303. The cubic root of 65920097 is about 403.9608517600.

The spelling of 65920097 in words is "sixty-five million, nine hundred twenty thousand, ninety-seven".