325571254861 has 2 divisors, whose sum is σ = 325571254862. Its totient is φ = 325571254860.

The previous prime is 325571254849. The next prime is 325571254927. The reversal of 325571254861 is 168452175523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319501910025 + 6069344836 = 565245^2 + 77906^2 .

It is a cyclic number.

It is not a de Polignac number, because 325571254861 - 2¹³ = 325571246669 is a prime.

It is a super-2 number, since 2×325571254861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325571257861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162785627430 + 162785627431.

It is an arithmetic number, because the mean of its divisors is an integer number (162785627431).

Almost surely, 2^325571254861 is an apocalyptic number.

It is an amenable number.

325571254861 is a deficient number, since it is larger than the sum of its proper divisors (1).

325571254861 is an equidigital number, since it uses as much as digits as its factorization.

325571254861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 49.

The spelling of 325571254861 in words is "three hundred twenty-five billion, five hundred seventy-one million, two hundred fifty-four thousand, eight hundred sixty-one".