325603478663 has 4 divisors (see below), whose sum is σ = 325619631408. Its totient is φ = 325587325920.

The previous prime is 325603478657. The next prime is 325603478723. The reversal of 325603478663 is 366874306523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366874306523 = 47 ⋅7805836309.

It is a cyclic number.

It is not a de Polignac number, because 325603478663 - 2¹⁶ = 325603413127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325603474663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8046098 + ... + 8086463.

It is an arithmetic number, because the mean of its divisors is an integer number (81404907852).

Almost surely, 2^325603478663 is an apocalyptic number.

325603478663 is a deficient number, since it is larger than the sum of its proper divisors (16152745).

325603478663 is a wasteful number, since it uses less digits than its factorization.

325603478663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16152744.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 325603478663 in words is "three hundred twenty-five billion, six hundred three million, four hundred seventy-eight thousand, six hundred sixty-three".