2254521 has 16 divisors (see below), whose sum is σ = 3252800. Its totient is φ = 1384128.

The previous prime is 2254517. The next prime is 2254531. The reversal of 2254521 is 1254522.

It is a happy number.

2254521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2254521 - 2² = 2254517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2254501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (203300).

2^2254521 is an apocalyptic number.

It is an amenable number.

2254521 is a deficient number, since it is larger than the sum of its proper divisors (998279).

2254521 is a wasteful number, since it uses less digits than its factorization.

2254521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its digits is 800, while the sum is 21.

The square root of 2254521 is about 1501.5062437433. The cubic root of 2254521 is about 131.1247767098.

Subtracting from 2254521 its reverse (1254522), we obtain a palindrome (999999).

It can be divided in two parts, 2254 and 521, that added together give a triangular number (2775 = T₇₄).

The spelling of 2254521 in words is "two million, two hundred fifty-four thousand, five hundred twenty-one".