2259617 has 4 divisors (see below), whose sum is σ = 2262660. Its totient is φ = 2256576.

The previous prime is 2259601. The next prime is 2259629. The reversal of 2259617 is 7169522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 817216 + 1442401 = 904^2 + 1201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259617 - 2⁴ = 2259601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2259217) 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, 413 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (565665).

2^2259617 is an apocalyptic number.

It is an amenable number.

2259617 is a deficient number, since it is larger than the sum of its proper divisors (3043).

2259617 is a wasteful number, since it uses less digits than its factorization.

2259617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its digits is 7560, while the sum is 32.

The square root of 2259617 is about 1503.2022485348. The cubic root of 2259617 is about 131.2234982017.

The spelling of 2259617 in words is "two million, two hundred fifty-nine thousand, six hundred seventeen".