2645560201 has 2 divisors, whose sum is σ = 2645560202. Its totient is φ = 2645560200.

The previous prime is 2645560153. The next prime is 2645560231. The reversal of 2645560201 is 1020655462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1761984576 + 883575625 = 41976^2 + 29725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645560201 - 2¹³ = 2645552009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645560231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322780100 + 1322780101.

It is an arithmetic number, because the mean of its divisors is an integer number (1322780101).

Almost surely, 2^2645560201 is an apocalyptic number.

It is an amenable number.

2645560201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645560201 is an equidigital number, since it uses as much as digits as its factorization.

2645560201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2645560201 is about 51435.0094877021. The cubic root of 2645560201 is about 1383.0542520309.

The spelling of 2645560201 in words is "two billion, six hundred forty-five million, five hundred sixty thousand, two hundred one".