2152612061 has 2 divisors, whose sum is σ = 2152612062. Its totient is φ = 2152612060.

The previous prime is 2152612001. The next prime is 2152612123. The reversal of 2152612061 is 1602162512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2116552036 + 36060025 = 46006^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152612061 - 2¹⁰ = 2152611037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152612061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152612001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076306030 + 1076306031.

It is an arithmetic number, because the mean of its divisors is an integer number (1076306031).

Almost surely, 2^2152612061 is an apocalyptic number.

It is an amenable number.

2152612061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152612061 is an equidigital number, since it uses as much as digits as its factorization.

2152612061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2152612061 is about 46396.2505058329. The cubic root of 2152612061 is about 1291.1853497937.

Adding to 2152612061 its reverse (1602162512), we get a palindrome (3754774573).

The spelling of 2152612061 in words is "two billion, one hundred fifty-two million, six hundred twelve thousand, sixty-one".