2520362161 has 2 divisors, whose sum is σ = 2520362162. Its totient is φ = 2520362160.

The previous prime is 2520362137. The next prime is 2520362197. The reversal of 2520362161 is 1612630252.

2520362161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2494403136 + 25959025 = 49944^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520362161 - 2⁵ = 2520362129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520342161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260181080 + 1260181081.

It is an arithmetic number, because the mean of its divisors is an integer number (1260181081).

Almost surely, 2^2520362161 is an apocalyptic number.

It is an amenable number.

2520362161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520362161 is an equidigital number, since it uses as much as digits as its factorization.

2520362161 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 28.

The square root of 2520362161 is about 50203.2086723548. The cubic root of 2520362161 is about 1360.8836099306.

The spelling of 2520362161 in words is "two billion, five hundred twenty million, three hundred sixty-two thousand, one hundred sixty-one".