325407576517 has 4 divisors (see below), whose sum is σ = 326617270380. Its totient is φ = 324197882656.

The previous prime is 325407576497. The next prime is 325407576551. The reversal of 325407576517 is 715675704523.

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 179154106756 + 146253469761 = 423266^2 + 382431^2 .

It is a cyclic number.

It is not a de Polignac number, because 325407576517 - 2²³ = 325399187909 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 (325407579517) 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, 604846528 + ... + 604847065.

It is an arithmetic number, because the mean of its divisors is an integer number (81654317595).

Almost surely, 2^325407576517 is an apocalyptic number.

It is an amenable number.

325407576517 is a deficient number, since it is larger than the sum of its proper divisors (1209693863).

325407576517 is a wasteful number, since it uses less digits than its factorization.

325407576517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209693862.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 325407576517 in words is "three hundred twenty-five billion, four hundred seven million, five hundred seventy-six thousand, five hundred seventeen".