65254261 has 2 divisors, whose sum is σ = 65254262. Its totient is φ = 65254260.

The previous prime is 65254249. The next prime is 65254291. The reversal of 65254261 is 16245256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 7873636 = 7575^2 + 2806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65254261 is a prime.

It is a super-2 number, since 2×65254261² = 8516237157312242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65254291) 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, 32627130 + 32627131.

It is an arithmetic number, because the mean of its divisors is an integer number (32627131).

Almost surely, 2^65254261 is an apocalyptic number.

It is an amenable number.

65254261 is a deficient number, since it is larger than the sum of its proper divisors (1).

65254261 is an equidigital number, since it uses as much as digits as its factorization.

65254261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 65254261 is about 8078.0109556747. The cubic root of 65254261 is about 402.5961572147.

The spelling of 65254261 in words is "sixty-five million, two hundred fifty-four thousand, two hundred sixty-one".