7522741 has 2 divisors, whose sum is σ = 7522742. Its totient is φ = 7522740.

The previous prime is 7522643. The next prime is 7522747. The reversal of 7522741 is 1472257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6022116 + 1500625 = 2454^2 + 1225^2 .

It is an emirp because it is prime and its reverse (1472257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7522747) 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 as a sum of consecutive naturals, namely, 3761370 + 3761371.

It is an arithmetic number, because the mean of its divisors is an integer number (3761371).

Almost surely, 2^7522741 is an apocalyptic number.

It is an amenable number.

7522741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522741 is an equidigital number, since it uses as much as digits as its factorization.

7522741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 28.

The square root of 7522741 is about 2742.7615645550. The cubic root of 7522741 is about 195.9410224467.

Adding to 7522741 its reverse (1472257), we get a palindrome (8994998).

The spelling of 7522741 in words is "seven million, five hundred twenty-two thousand, seven hundred forty-one".