325355553491 has 2 divisors, whose sum is σ = 325355553492. Its totient is φ = 325355553490.

The previous prime is 325355553463. The next prime is 325355553499. The reversal of 325355553491 is 194355553523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325355553491 - 2¹⁸ = 325355291347 is a prime.

It is not a weakly prime, because it can be changed into another prime (325355553499) 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, 162677776745 + 162677776746.

It is an arithmetic number, because the mean of its divisors is an integer number (162677776746).

Almost surely, 2^325355553491 is an apocalyptic number.

325355553491 is a deficient number, since it is larger than the sum of its proper divisors (1).

325355553491 is an equidigital number, since it uses as much as digits as its factorization.

325355553491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6075000, while the sum is 50.

The spelling of 325355553491 in words is "three hundred twenty-five billion, three hundred fifty-five million, five hundred fifty-three thousand, four hundred ninety-one".