2258569 has 4 divisors (see below), whose sum is σ = 2391444. Its totient is φ = 2125696.

The previous prime is 2258561. The next prime is 2258573. The reversal of 2258569 is 9658522.

It is a happy number.

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 2064969 + 193600 = 1437^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258569 - 2³ = 2258561 is a prime.

It is a super-2 number, since 2×2258569² = 10202267855522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2258561) 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, 66412 + ... + 66445.

It is an arithmetic number, because the mean of its divisors is an integer number (597861).

2^2258569 is an apocalyptic number.

It is an amenable number.

2258569 is a deficient number, since it is larger than the sum of its proper divisors (132875).

2258569 is a wasteful number, since it uses less digits than its factorization.

2258569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132874.

The product of its digits is 43200, while the sum is 37.

The square root of 2258569 is about 1502.8536189530. The cubic root of 2258569 is about 131.2032081124.

The spelling of 2258569 in words is "two million, two hundred fifty-eight thousand, five hundred sixty-nine".