325431613 has 8 divisors (see below), whose sum is σ = 359937368. Its totient is φ = 292279104.

The previous prime is 325431571. The next prime is 325431643. The reversal of 325431613 is 316134523.

It can be written as a sum of positive squares in 4 ways, for example, as 71284249 + 254147364 = 8443^2 + 15942^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-325431613 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 (325431643) 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, 337806 + ... + 338767.

It is an arithmetic number, because the mean of its divisors is an integer number (44992171).

Almost surely, 2^325431613 is an apocalyptic number.

It is an amenable number.

325431613 is a deficient number, since it is larger than the sum of its proper divisors (34505755).

325431613 is a wasteful number, since it uses less digits than its factorization.

325431613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676623.

The product of its digits is 6480, while the sum is 28.

The square root of 325431613 is about 18039.7231963243. The cubic root of 325431613 is about 687.8386566463.

The spelling of 325431613 in words is "three hundred twenty-five million, four hundred thirty-one thousand, six hundred thirteen".