7522445 has 16 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 5127360.

The previous prime is 7522439. The next prime is 7522451. The reversal of 7522445 is 5442257.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7522439) and next prime (7522451).

It is not a de Polignac number, because 7522445 - 2¹⁰ = 7521421 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 6350 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^7522445 is an apocalyptic number.

It is an amenable number.

7522445 is a deficient number, since it is larger than the sum of its proper divisors (2855923).

7522445 is a wasteful number, since it uses less digits than its factorization.

7522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 11200, while the sum is 29.

The square root of 7522445 is about 2742.7076038105. The cubic root of 7522445 is about 195.9384524923.

The spelling of 7522445 in words is "seven million, five hundred twenty-two thousand, four hundred forty-five".