2259577 has 4 divisors (see below), whose sum is σ = 2264436. Its totient is φ = 2254720.

The previous prime is 2259571. The next prime is 2259581. The reversal of 2259577 is 7759522.

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 246016 + 2013561 = 496^2 + 1419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259577 - 2⁷ = 2259449 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 (2259571) 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, 1648 + ... + 2689.

It is an arithmetic number, because the mean of its divisors is an integer number (566109).

2^2259577 is an apocalyptic number.

It is an amenable number.

2259577 is a deficient number, since it is larger than the sum of its proper divisors (4859).

2259577 is an equidigital number, since it uses as much as digits as its factorization.

2259577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858.

The product of its digits is 44100, while the sum is 37.

The square root of 2259577 is about 1503.1889435464. The cubic root of 2259577 is about 131.2227238860. Note that the first 3 decimals are identical.

Subtracting 2259577 from its reverse (7759522), we obtain a palindrome (5499945).

The spelling of 2259577 in words is "two million, two hundred fifty-nine thousand, five hundred seventy-seven".