2152660061 has 2 divisors, whose sum is σ = 2152660062. Its totient is φ = 2152660060.

The previous prime is 2152660051. The next prime is 2152660063. The reversal of 2152660061 is 1600662512.

2152660061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224300100 + 928359961 = 34990^2 + 30469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152660061 - 2¹⁰ = 2152659037 is a prime.

Together with 2152660063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152660063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076330030 + 1076330031.

It is an arithmetic number, because the mean of its divisors is an integer number (1076330031).

Almost surely, 2^2152660061 is an apocalyptic number.

It is an amenable number.

2152660061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152660061 is an equidigital number, since it uses as much as digits as its factorization.

2152660061 is an evil number, because the sum of its binary digits is even.

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

The square root of 2152660061 is about 46396.7677861292. The cubic root of 2152660061 is about 1291.1949468839.

The spelling of 2152660061 in words is "two billion, one hundred fifty-two million, six hundred sixty thousand, sixty-one".