17280961 has 8 divisors (see below), whose sum is σ = 17844800. Its totient is φ = 16722288.

The previous prime is 17280953. The next prime is 17280971. The reversal of 17280961 is 16908271.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 17280961 - 2³ = 17280953 is a prime.

It is a super-2 number, since 2×17280961² = 597263226167042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17280931) 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 7 ways as a sum of consecutive naturals, for example, 6190 + ... + 8536.

It is an arithmetic number, because the mean of its divisors is an integer number (2230600).

Almost surely, 2^17280961 is an apocalyptic number.

It is an amenable number.

17280961 is a deficient number, since it is larger than the sum of its proper divisors (563839).

17280961 is a wasteful number, since it uses less digits than its factorization.

17280961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 17280961 is about 4157.0375268934. The cubic root of 17280961 is about 258.5369553347.

The spelling of 17280961 in words is "seventeen million, two hundred eighty thousand, nine hundred sixty-one".