1522326161 has 2 divisors, whose sum is σ = 1522326162. Its totient is φ = 1522326160.

The previous prime is 1522326137. The next prime is 1522326163. The reversal of 1522326161 is 1616232251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085307136 + 437019025 = 32944^2 + 20905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1522326161 is a prime.

It is a Sophie Germain prime.

Together with 1522326163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1522326163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761163080 + 761163081.

It is an arithmetic number, because the mean of its divisors is an integer number (761163081).

Almost surely, 2^1522326161 is an apocalyptic number.

It is an amenable number.

1522326161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522326161 is an equidigital number, since it uses as much as digits as its factorization.

1522326161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 1522326161 is about 39016.9983596893. The cubic root of 1522326161 is about 1150.3656457963.

The spelling of 1522326161 in words is "one billion, five hundred twenty-two million, three hundred twenty-six thousand, one hundred sixty-one".