325622220613 has 4 divisors (see below), whose sum is σ = 325628160300. Its totient is φ = 325616280928.

The previous prime is 325622220559. The next prime is 325622220643. The reversal of 325622220613 is 316022226523.

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 172007608644 + 153614611969 = 414738^2 + 391937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325622220613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325622220643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886838 + ... + 2997511.

It is an arithmetic number, because the mean of its divisors is an integer number (81407040075).

Almost surely, 2^325622220613 is an apocalyptic number.

It is an amenable number.

325622220613 is a deficient number, since it is larger than the sum of its proper divisors (5939687).

325622220613 is an equidigital number, since it uses as much as digits as its factorization.

325622220613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939686.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 325622220613 in words is "three hundred twenty-five billion, six hundred twenty-two million, two hundred twenty thousand, six hundred thirteen".