2258528 has 24 divisors (see below), whose sum is σ = 4484088. Its totient is φ = 1119744.

The previous prime is 2258527. The next prime is 2258539. The reversal of 2258528 is 8258522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 5³ + 8⁵ + 5⁸ + 2²⁰ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2258494 and 2258503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258521) 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, 5000 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (186837).

2^2258528 is an apocalyptic number.

It is an amenable number.

2258528 is a deficient number, since it is larger than the sum of its proper divisors (2225560).

2258528 is a wasteful number, since it uses less digits than its factorization.

2258528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 2258528 is about 1502.8399781747. The cubic root of 2258528 is about 131.2024141931.

The spelling of 2258528 in words is "two million, two hundred fifty-eight thousand, five hundred twenty-eight".