7522249 has 4 divisors (see below), whose sum is σ = 8596864. Its totient is φ = 6447636.

The previous prime is 7522241. The next prime is 7522261. The reversal of 7522249 is 9422257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7522249 - 2³ = 7522241 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 5³ + 2 + 2¹⁹ + 2²¹ + 4³ + 9⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7522249.

It is not an unprimeable number, because it can be changed into a prime (7522241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537297 + ... + 537310.

It is an arithmetic number, because the mean of its divisors is an integer number (2149216).

Almost surely, 2^7522249 is an apocalyptic number.

It is an amenable number.

7522249 is a deficient number, since it is larger than the sum of its proper divisors (1074615).

7522249 is a wasteful number, since it uses less digits than its factorization.

7522249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074614.

The product of its digits is 10080, while the sum is 31.

The square root of 7522249 is about 2742.6718724631. The cubic root of 7522249 is about 195.9367507287.

The spelling of 7522249 in words is "seven million, five hundred twenty-two thousand, two hundred forty-nine".