65224253 has 2 divisors, whose sum is σ = 65224254. Its totient is φ = 65224252.

The previous prime is 65224241. The next prime is 65224301. The reversal of 65224253 is 35242256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 20775364 = 6667^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 65224253 - 2¹⁸ = 64962109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65224213) 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, 32612126 + 32612127.

It is an arithmetic number, because the mean of its divisors is an integer number (32612127).

Almost surely, 2^65224253 is an apocalyptic number.

It is an amenable number.

65224253 is a deficient number, since it is larger than the sum of its proper divisors (1).

65224253 is an equidigital number, since it uses as much as digits as its factorization.

65224253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 65224253 is about 8076.1533541656. The cubic root of 65224253 is about 402.5344347685.

The spelling of 65224253 in words is "sixty-five million, two hundred twenty-four thousand, two hundred fifty-three".