3305000261 has 4 divisors (see below), whose sum is σ = 3305812224. Its totient is φ = 3304188300.

The previous prime is 3305000221. The next prime is 3305000287. The reversal of 3305000261 is 1620005033.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3305000261 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 (3305000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399845 + ... + 408026.

It is an arithmetic number, because the mean of its divisors is an integer number (826453056).

Almost surely, 2^3305000261 is an apocalyptic number.

It is an amenable number.

3305000261 is a deficient number, since it is larger than the sum of its proper divisors (811963).

3305000261 is an equidigital number, since it uses as much as digits as its factorization.

3305000261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811962.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3305000261 is about 57489.1316772136. The cubic root of 3305000261 is about 1489.5571347218.

Adding to 3305000261 its reverse (1620005033), we get a palindrome (4925005294).

The spelling of 3305000261 in words is "three billion, three hundred five million, two hundred sixty-one", and thus it is an aban number.