2061522247 has 2 divisors, whose sum is σ = 2061522248. Its totient is φ = 2061522246.

The previous prime is 2061522233. The next prime is 2061522257. The reversal of 2061522247 is 7422251602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061522247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061522257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030761123 + 1030761124.

It is an arithmetic number, because the mean of its divisors is an integer number (1030761124).

Almost surely, 2^2061522247 is an apocalyptic number.

2061522247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061522247 is an equidigital number, since it uses as much as digits as its factorization.

2061522247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2061522247 is about 45403.9893291327. The cubic root of 2061522247 is about 1272.7096643756.

Adding to 2061522247 its reverse (7422251602), we get a palindrome (9483773849).

The spelling of 2061522247 in words is "two billion, sixty-one million, five hundred twenty-two thousand, two hundred forty-seven".