328602013 has 4 divisors (see below), whose sum is σ = 329162400. Its totient is φ = 328041628.

The previous prime is 328601983. The next prime is 328602031. The reversal of 328602013 is 310206823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310206823 = 29 ⋅10696787.

It is a cyclic number.

It is not a de Polignac number, because 328602013 - 2²⁵ = 295047581 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 (328602073) 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, 279313 + ... + 280486.

It is an arithmetic number, because the mean of its divisors is an integer number (82290600).

Almost surely, 2^328602013 is an apocalyptic number.

It is an amenable number.

328602013 is a deficient number, since it is larger than the sum of its proper divisors (560387).

328602013 is an equidigital number, since it uses as much as digits as its factorization.

328602013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560386.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 328602013 is about 18127.3829605931. The cubic root of 328602013 is about 690.0651153280.

Adding to 328602013 its reverse (310206823), we get a palindrome (638808836).

The spelling of 328602013 in words is "three hundred twenty-eight million, six hundred two thousand, thirteen".