7522149 has 4 divisors (see below), whose sum is σ = 10029536. Its totient is φ = 5014764.

The previous prime is 7522111. The next prime is 7522159. The reversal of 7522149 is 9412257.

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 not a de Polignac number, because 7522149 - 2⁸ = 7521893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522159) 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, 1253689 + ... + 1253694.

It is an arithmetic number, because the mean of its divisors is an integer number (2507384).

Almost surely, 2^7522149 is an apocalyptic number.

It is an amenable number.

7522149 is a deficient number, since it is larger than the sum of its proper divisors (2507387).

7522149 is a wasteful number, since it uses less digits than its factorization.

7522149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507386.

The product of its digits is 5040, while the sum is 30.

The square root of 7522149 is about 2742.6536420044. The cubic root of 7522149 is about 195.9358824705.

The spelling of 7522149 in words is "seven million, five hundred twenty-two thousand, one hundred forty-nine".