65745197 has 4 divisors (see below), whose sum is σ = 75137376. Its totient is φ = 56353020.

The previous prime is 65745167. The next prime is 65745217. The reversal of 65745197 is 79154756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65745197 - 2⁶ = 65745133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65745107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696079 + ... + 4696092.

It is an arithmetic number, because the mean of its divisors is an integer number (18784344).

Almost surely, 2^65745197 is an apocalyptic number.

It is an amenable number.

65745197 is a deficient number, since it is larger than the sum of its proper divisors (9392179).

65745197 is an equidigital number, since it uses as much as digits as its factorization.

65745197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392178.

The product of its digits is 264600, while the sum is 44.

The square root of 65745197 is about 8108.3411990370. The cubic root of 65745197 is about 403.6032707185.

It can be divided in two parts, 657 and 45197, that added together give a palindrome (45854).

The spelling of 65745197 in words is "sixty-five million, seven hundred forty-five thousand, one hundred ninety-seven".