3261006465 has 8 divisors (see below), whose sum is σ = 5217610368. Its totient is φ = 1739203440.

The previous prime is 3261006443. The next prime is 3261006481. The reversal of 3261006465 is 5646001623.

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

It is not a de Polignac number, because 3261006465 - 2¹⁸ = 3260744321 is a prime.

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, 108700201 + ... + 108700230.

It is an arithmetic number, because the mean of its divisors is an integer number (652201296).

Almost surely, 2^3261006465 is an apocalyptic number.

It is an amenable number.

3261006465 is a deficient number, since it is larger than the sum of its proper divisors (1956603903).

3261006465 is a wasteful number, since it uses less digits than its factorization.

3261006465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217400439.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3261006465 is about 57105.2227471358. Note that the first 3 decimals coincide. The cubic root of 3261006465 is about 1482.9182839382.

The spelling of 3261006465 in words is "three billion, two hundred sixty-one million, six thousand, four hundred sixty-five".