32865224261 has 2 divisors, whose sum is σ = 32865224262. Its totient is φ = 32865224260.

The previous prime is 32865224221. The next prime is 32865224269. The reversal of 32865224261 is 16242256823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32123751361 + 741472900 = 179231^2 + 27230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32865224261 is a prime.

It is a super-2 number, since 2×32865224261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32865224269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16432612130 + 16432612131.

It is an arithmetic number, because the mean of its divisors is an integer number (16432612131).

Almost surely, 2^32865224261 is an apocalyptic number.

It is an amenable number.

32865224261 is a deficient number, since it is larger than the sum of its proper divisors (1).

32865224261 is an equidigital number, since it uses as much as digits as its factorization.

32865224261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The spelling of 32865224261 in words is "thirty-two billion, eight hundred sixty-five million, two hundred twenty-four thousand, two hundred sixty-one".