325140345121 has 4 divisors (see below), whose sum is σ = 325935309700. Its totient is φ = 324345380544.

The previous prime is 325140345059. The next prime is 325140345149. The reversal of 325140345121 is 121543041523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281786858896 + 43353486225 = 530836^2 + 208215^2 .

It is a cyclic number.

It is not a de Polignac number, because 325140345121 - 2³¹ = 322992861473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325140345221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397481676 + ... + 397482493.

It is an arithmetic number, because the mean of its divisors is an integer number (81483827425).

Almost surely, 2^325140345121 is an apocalyptic number.

It is an amenable number.

325140345121 is a deficient number, since it is larger than the sum of its proper divisors (794964579).

325140345121 is an equidigital number, since it uses as much as digits as its factorization.

325140345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794964578.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 325140345121 its reverse (121543041523), we get a palindrome (446683386644).

The spelling of 325140345121 in words is "three hundred twenty-five billion, one hundred forty million, three hundred forty-five thousand, one hundred twenty-one".