2061522347 has 2 divisors, whose sum is σ = 2061522348. Its totient is φ = 2061522346.

The previous prime is 2061522343. The next prime is 2061522371. The reversal of 2061522347 is 7432251602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2061522347 - 2² = 2061522343 is a prime.

It is not a weakly prime, because it can be changed into another prime (2061522343) 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, 1030761173 + 1030761174.

It is an arithmetic number, because the mean of its divisors is an integer number (1030761174).

Almost surely, 2^2061522347 is an apocalyptic number.

2061522347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061522347 is an equidigital number, since it uses as much as digits as its factorization.

2061522347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2061522347 is about 45403.9904303576. The cubic root of 2061522347 is about 1272.7096849544.

Adding to 2061522347 its reverse (7432251602), we get a palindrome (9493773949).

The spelling of 2061522347 in words is "two billion, sixty-one million, five hundred twenty-two thousand, three hundred forty-seven".