65424253 has 2 divisors, whose sum is σ = 65424254. Its totient is φ = 65424252.

The previous prime is 65424241. The next prime is 65424257. The reversal of 65424253 is 35242456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46744569 + 18679684 = 6837^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 65424253 - 2⁵ = 65424221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65424257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32712126 + 32712127.

It is an arithmetic number, because the mean of its divisors is an integer number (32712127).

Almost surely, 2^65424253 is an apocalyptic number.

It is an amenable number.

65424253 is a deficient number, since it is larger than the sum of its proper divisors (1).

65424253 is an equidigital number, since it uses as much as digits as its factorization.

65424253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 65424253 is about 8088.5260091070. The cubic root of 65424253 is about 402.9454513044.

The spelling of 65424253 in words is "sixty-five million, four hundred twenty-four thousand, two hundred fifty-three".