325644261451531 has 8 divisors (see below), whose sum is σ = 358765594975728. Its totient is φ = 293109146220000.

The previous prime is 325644261451501. The next prime is 325644261451543. The reversal of 325644261451531 is 135154162446523.

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

It is not a de Polignac number, because 325644261451531 - 2⁵ = 325644261451499 is a prime.

It is a super-2 number, since 2×325644261451531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325644261451501) 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, 146554572000 + ... + 146554574221.

It is an arithmetic number, because the mean of its divisors is an integer number (44845699371966).

Almost surely, 2^{325644261451531} is an apocalyptic number.

325644261451531 is a deficient number, since it is larger than the sum of its proper divisors (33121333524197).

325644261451531 is a wasteful number, since it uses less digits than its factorization.

325644261451531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293109146333.

The product of its digits is 10368000, while the sum is 52.

The spelling of 325644261451531 in words is "three hundred twenty-five trillion, six hundred forty-four billion, two hundred sixty-one million, four hundred fifty-one thousand, five hundred thirty-one".