7522126441 has 2 divisors, whose sum is σ = 7522126442. Its totient is φ = 7522126440.

The previous prime is 7522126387. The next prime is 7522126477. The reversal of 7522126441 is 1446212257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7465651216 + 56475225 = 86404^2 + 7515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522126441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7522126397 and 7522126406.

It is not a weakly prime, because it can be changed into another prime (7522126141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761063220 + 3761063221.

It is an arithmetic number, because the mean of its divisors is an integer number (3761063221).

Almost surely, 2^7522126441 is an apocalyptic number.

It is an amenable number.

7522126441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522126441 is an equidigital number, since it uses as much as digits as its factorization.

7522126441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 7522126441 is about 86730.1933642489. The cubic root of 7522126441 is about 1959.3568659909.

Adding to 7522126441 its reverse (1446212257), we get a palindrome (8968338698).

The spelling of 7522126441 in words is "seven billion, five hundred twenty-two million, one hundred twenty-six thousand, four hundred forty-one".