65524997 has 2 divisors, whose sum is σ = 65524998. Its totient is φ = 65524996.

The previous prime is 65524993. The next prime is 65525027. The reversal of 65524997 is 79942556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35593156 + 29931841 = 5966^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 65524997 - 2² = 65524993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65524993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32762498 + 32762499.

It is an arithmetic number, because the mean of its divisors is an integer number (32762499).

Almost surely, 2^65524997 is an apocalyptic number.

It is an amenable number.

65524997 is a deficient number, since it is larger than the sum of its proper divisors (1).

65524997 is an equidigital number, since it uses as much as digits as its factorization.

65524997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 65524997 is about 8094.7512006238. The cubic root of 65524997 is about 403.1521713713.

It can be divided in two parts, 655 and 24997, that added together give a palindrome (25652).

The spelling of 65524997 in words is "sixty-five million, five hundred twenty-four thousand, nine hundred ninety-seven".