17252661 has 4 divisors (see below), whose sum is σ = 23003552. Its totient is φ = 11501772.

The previous prime is 17252657. The next prime is 17252663. The reversal of 17252661 is 16625271.

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 not a de Polignac number, because 17252661 - 2² = 17252657 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 (17252663) 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, 2875441 + ... + 2875446.

It is an arithmetic number, because the mean of its divisors is an integer number (5750888).

Almost surely, 2^17252661 is an apocalyptic number.

It is an amenable number.

17252661 is a deficient number, since it is larger than the sum of its proper divisors (5750891).

17252661 is an equidigital number, since it uses as much as digits as its factorization.

17252661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750890.

The product of its digits is 5040, while the sum is 30.

The square root of 17252661 is about 4153.6322658608. The cubic root of 17252661 is about 258.3957480362.

The spelling of 17252661 in words is "seventeen million, two hundred fifty-two thousand, six hundred sixty-one".