325555555541 has 2 divisors, whose sum is σ = 325555555542. Its totient is φ = 325555555540.

The previous prime is 325555555477. The next prime is 325555555571. The reversal of 325555555541 is 145555555523.

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., 261781629316 + 63773926225 = 511646^2 + 252535^2 .

It is a cyclic number.

It is not a de Polignac number, because 325555555541 - 2⁶ = 325555555477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 325555555541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325555555571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162777777770 + 162777777771.

It is an arithmetic number, because the mean of its divisors is an integer number (162777777771).

Almost surely, 2^325555555541 is an apocalyptic number.

It is an amenable number.

325555555541 is a deficient number, since it is larger than the sum of its proper divisors (1).

325555555541 is an equidigital number, since it uses as much as digits as its factorization.

325555555541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9375000, while the sum is 50.

The spelling of 325555555541 in words is "three hundred twenty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-one".