325524931663 has 4 divisors (see below), whose sum is σ = 326922034608. Its totient is φ = 324127828720.

The previous prime is 325524931619. The next prime is 325524931727. The reversal of 325524931663 is 366139425523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366139425523 = 43 ⋅8514870361.

It is a cyclic number.

It is not a de Polignac number, because 325524931663 - 2²⁵ = 325491377231 is a prime.

It is a super-2 number, since 2×325524931663² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325524931463) 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 in 3 ways as a sum of consecutive naturals, for example, 698551123 + ... + 698551588.

It is an arithmetic number, because the mean of its divisors is an integer number (81730508652).

Almost surely, 2^325524931663 is an apocalyptic number.

325524931663 is a deficient number, since it is larger than the sum of its proper divisors (1397102945).

325524931663 is a wasteful number, since it uses less digits than its factorization.

325524931663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397102944.

The product of its digits is 3499200, while the sum is 49.

The spelling of 325524931663 in words is "three hundred twenty-five billion, five hundred twenty-four million, nine hundred thirty-one thousand, six hundred sixty-three".