17225261 has 4 divisors (see below), whose sum is σ = 17254524. Its totient is φ = 17196000.

The previous prime is 17225251. The next prime is 17225269. The reversal of 17225261 is 16252271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16048036 + 1177225 = 4006^2 + 1085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17225261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 17225261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17225269) 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, 13730 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (4313631).

Almost surely, 2^17225261 is an apocalyptic number.

It is an amenable number.

17225261 is a deficient number, since it is larger than the sum of its proper divisors (29263).

17225261 is an equidigital number, since it uses as much as digits as its factorization.

17225261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29262.

The product of its digits is 1680, while the sum is 26.

The square root of 17225261 is about 4150.3326372714. The cubic root of 17225261 is about 258.2588842235.

The spelling of 17225261 in words is "seventeen million, two hundred twenty-five thousand, two hundred sixty-one".