2252549 has 4 divisors (see below), whose sum is σ = 2425836. Its totient is φ = 2079264.

The previous prime is 2252539. The next prime is 2252557. The reversal of 2252549 is 9452522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9452522 = 2 ⋅4726261.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 964324 = 1135^2 + 982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252549 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 5⁵ + 2²¹ + 5⁷ + 4⁸ + 9⁴ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252519) 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, 86624 + ... + 86649.

It is an arithmetic number, because the mean of its divisors is an integer number (606459).

2^2252549 is an apocalyptic number.

It is an amenable number.

2252549 is a deficient number, since it is larger than the sum of its proper divisors (173287).

2252549 is a wasteful number, since it uses less digits than its factorization.

2252549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173286.

The product of its digits is 7200, while the sum is 29.

The square root of 2252549 is about 1500.8494261584. The cubic root of 2252549 is about 131.0865345159.

The spelling of 2252549 in words is "two million, two hundred fifty-two thousand, five hundred forty-nine".