325201641525 has 72 divisors (see below), whose sum is σ = 624542705280. Its totient is φ = 161172011520.

The previous prime is 325201641517. The next prime is 325201641547. The reversal of 325201641525 is 525146102523.

325201641525 is a `hidden beast` number, since 3 + 2 + 5 + 2 + 0 + 1 + 641 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 325201641525 - 2³ = 325201641517 is a prime.

It is a super-2 number, since 2×325201641525² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325201641525.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 235927 + ... + 840276.

It is an arithmetic number, because the mean of its divisors is an integer number (8674204240).

Almost surely, 2^325201641525 is an apocalyptic number.

It is an amenable number.

325201641525 is a deficient number, since it is larger than the sum of its proper divisors (299341063755).

325201641525 is a wasteful number, since it uses less digits than its factorization.

325201641525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076315 (or 1076307 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 325201641525 in words is "three hundred twenty-five billion, two hundred one million, six hundred forty-one thousand, five hundred twenty-five".