325620013 has 4 divisors (see below), whose sum is σ = 330958108. Its totient is φ = 320281920.

The previous prime is 325620011. The next prime is 325620049. The reversal of 325620013 is 310026523.

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 32970564 + 292649449 = 5742^2 + 17107^2 .

It is a cyclic number.

It is not a de Polignac number, because 325620013 - 2¹ = 325620011 is a prime.

It is a super-2 number, since 2×325620013² = 212056785732240338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325620011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668956 + ... + 2669077.

It is an arithmetic number, because the mean of its divisors is an integer number (82739527).

Almost surely, 2^325620013 is an apocalyptic number.

It is an amenable number.

325620013 is a deficient number, since it is larger than the sum of its proper divisors (5338095).

325620013 is an equidigital number, since it uses as much as digits as its factorization.

325620013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338094.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 325620013 is about 18044.9442503988. The cubic root of 325620013 is about 687.9713663550.

Adding to 325620013 its reverse (310026523), we get a palindrome (635646536).

The spelling of 325620013 in words is "three hundred twenty-five million, six hundred twenty thousand, thirteen".