3205320245 has 8 divisors (see below), whose sum is σ = 3846883200. Its totient is φ = 2563923600.

The previous prime is 3205320211. The next prime is 3205320259. The reversal of 3205320245 is 5420235023.

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-3205320245 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5720 + ... + 80270.

It is an arithmetic number, because the mean of its divisors is an integer number (480860400).

Almost surely, 2^3205320245 is an apocalyptic number.

It is an amenable number.

3205320245 is a deficient number, since it is larger than the sum of its proper divisors (641562955).

3205320245 is an equidigital number, since it uses as much as digits as its factorization.

3205320245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83155.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 3205320245 is about 56615.5477320497. The cubic root of 3205320245 is about 1474.4288118746.

Adding to 3205320245 its reverse (5420235023), we get a palindrome (8625555268).

The spelling of 3205320245 in words is "three billion, two hundred five million, three hundred twenty thousand, two hundred forty-five".