65241773 has 2 divisors, whose sum is σ = 65241774. Its totient is φ = 65241772.

The previous prime is 65241751. The next prime is 65241791. The reversal of 65241773 is 37714256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65237929 + 3844 = 8077^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 65241773 - 2¹² = 65237677 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65241713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32620886 + 32620887.

It is an arithmetic number, because the mean of its divisors is an integer number (32620887).

Almost surely, 2^65241773 is an apocalyptic number.

It is an amenable number.

65241773 is a deficient number, since it is larger than the sum of its proper divisors (1).

65241773 is an equidigital number, since it uses as much as digits as its factorization.

65241773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 65241773 is about 8077.2379561333. The cubic root of 65241773 is about 402.5704733667.

The spelling of 65241773 in words is "sixty-five million, two hundred forty-one thousand, seven hundred seventy-three".