325587240561 has 12 divisors (see below), whose sum is σ = 477169179536. Its totient is φ = 197325600120.

The previous prime is 325587240533. The next prime is 325587240623. The reversal of 325587240561 is 165042785523.

It is not a de Polignac number, because 325587240561 - 2⁵ = 325587240529 is a prime.

It is a super-2 number, since 2×325587240561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325587240561.

It is not an unprimeable number, because it can be changed into a prime (325587241561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448466911 + ... + 448467636.

Almost surely, 2^325587240561 is an apocalyptic number.

It is an amenable number.

325587240561 is a deficient number, since it is larger than the sum of its proper divisors (151581938975).

325587240561 is a wasteful number, since it uses less digits than its factorization.

325587240561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896934572 (or 896934561 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 325587240561 in words is "three hundred twenty-five billion, five hundred eighty-seven million, two hundred forty thousand, five hundred sixty-one".