325566234437 has 2 divisors, whose sum is σ = 325566234438. Its totient is φ = 325566234436.

The previous prime is 325566234421. The next prime is 325566234451. The reversal of 325566234437 is 734432665523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293730396961 + 31835837476 = 541969^2 + 178426^2 .

It is a cyclic number.

It is not a de Polignac number, because 325566234437 - 2⁴ = 325566234421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325566231437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162783117218 + 162783117219.

It is an arithmetic number, because the mean of its divisors is an integer number (162783117219).

Almost surely, 2^325566234437 is an apocalyptic number.

It is an amenable number.

325566234437 is a deficient number, since it is larger than the sum of its proper divisors (1).

325566234437 is an equidigital number, since it uses as much as digits as its factorization.

325566234437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 50.

The spelling of 325566234437 in words is "three hundred twenty-five billion, five hundred sixty-six million, two hundred thirty-four thousand, four hundred thirty-seven".