65339797 has 2 divisors, whose sum is σ = 65339798. Its totient is φ = 65339796.

The previous prime is 65339767. The next prime is 65339819. The reversal of 65339797 is 79793356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37871716 + 27468081 = 6154^2 + 5241^2 .

It is a cyclic number.

It is not a de Polignac number, because 65339797 - 2¹⁵ = 65307029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65339797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65339707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32669898 + 32669899.

It is an arithmetic number, because the mean of its divisors is an integer number (32669899).

Almost surely, 2^65339797 is an apocalyptic number.

It is an amenable number.

65339797 is a deficient number, since it is larger than the sum of its proper divisors (1).

65339797 is an equidigital number, since it uses as much as digits as its factorization.

65339797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 49.

The square root of 65339797 is about 8083.3035944470. The cubic root of 65339797 is about 402.7719895602.

The spelling of 65339797 in words is "sixty-five million, three hundred thirty-nine thousand, seven hundred ninety-seven".