65211423253 has 2 divisors, whose sum is σ = 65211423254. Its totient is φ = 65211423252.

The previous prime is 65211423229. The next prime is 65211423257. The reversal of 65211423253 is 35232411256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38683809124 + 26527614129 = 196682^2 + 162873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65211423253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65211423257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32605711626 + 32605711627.

It is an arithmetic number, because the mean of its divisors is an integer number (32605711627).

Almost surely, 2^65211423253 is an apocalyptic number.

It is an amenable number.

65211423253 is a deficient number, since it is larger than the sum of its proper divisors (1).

65211423253 is an equidigital number, since it uses as much as digits as its factorization.

65211423253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The spelling of 65211423253 in words is "sixty-five billion, two hundred eleven million, four hundred twenty-three thousand, two hundred fifty-three".