325242443261 has 2 divisors, whose sum is σ = 325242443262. Its totient is φ = 325242443260.

The previous prime is 325242443233. The next prime is 325242443303. The reversal of 325242443261 is 162344242523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316192536100 + 9049907161 = 562310^2 + 95131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325242443261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325242443231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162621221630 + 162621221631.

It is an arithmetic number, because the mean of its divisors is an integer number (162621221631).

Almost surely, 2^325242443261 is an apocalyptic number.

It is an amenable number.

325242443261 is a deficient number, since it is larger than the sum of its proper divisors (1).

325242443261 is an equidigital number, since it uses as much as digits as its factorization.

325242443261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 38.

Adding to 325242443261 its reverse (162344242523), we get a palindrome (487586685784).

The spelling of 325242443261 in words is "three hundred twenty-five billion, two hundred forty-two million, four hundred forty-three thousand, two hundred sixty-one".