2045324161 has 2 divisors, whose sum is σ = 2045324162. Its totient is φ = 2045324160.

The previous prime is 2045324131. The next prime is 2045324167. The reversal of 2045324161 is 1614235402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219336561 + 825987600 = 34919^2 + 28740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045324161 - 2²⁵ = 2011769729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045324167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022662080 + 1022662081.

It is an arithmetic number, because the mean of its divisors is an integer number (1022662081).

Almost surely, 2^2045324161 is an apocalyptic number.

It is an amenable number.

2045324161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045324161 is an equidigital number, since it uses as much as digits as its factorization.

2045324161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2045324161 is about 45225.2602093122. The cubic root of 2045324161 is about 1269.3675237467.

Adding to 2045324161 its reverse (1614235402), we get a palindrome (3659559563).

The spelling of 2045324161 in words is "two billion, forty-five million, three hundred twenty-four thousand, one hundred sixty-one".