65017397 has 2 divisors, whose sum is σ = 65017398. Its totient is φ = 65017396.

The previous prime is 65017369. The next prime is 65017409. The reversal of 65017397 is 79371056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 391876 = 8039^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 65017397 - 2¹⁰ = 65016373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65017397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65017357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32508698 + 32508699.

It is an arithmetic number, because the mean of its divisors is an integer number (32508699).

Almost surely, 2^65017397 is an apocalyptic number.

It is an amenable number.

65017397 is a deficient number, since it is larger than the sum of its proper divisors (1).

65017397 is an equidigital number, since it uses as much as digits as its factorization.

65017397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 65017397 is about 8063.3365922551. The cubic root of 65017397 is about 402.1084437186.

The spelling of 65017397 in words is "sixty-five million, seventeen thousand, three hundred ninety-seven".