325153975661 has 8 divisors (see below), whose sum is σ = 326539699200. Its totient is φ = 323768554560.

The previous prime is 325153975639. The next prime is 325153975703. The reversal of 325153975661 is 166579351523.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 325153975661 - 2³⁰ = 324080233837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325153975631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228180 + ... + 2369618.

It is an arithmetic number, because the mean of its divisors is an integer number (40817462400).

Almost surely, 2^325153975661 is an apocalyptic number.

It is an amenable number.

325153975661 is a deficient number, since it is larger than the sum of its proper divisors (1385723539).

325153975661 is a wasteful number, since it uses less digits than its factorization.

325153975661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151219.

The product of its digits is 5103000, while the sum is 53.

The spelling of 325153975661 in words is "three hundred twenty-five billion, one hundred fifty-three million, nine hundred seventy-five thousand, six hundred sixty-one".