2645810201 has 2 divisors, whose sum is σ = 2645810202. Its totient is φ = 2645810200.

The previous prime is 2645810161. The next prime is 2645810207. The reversal of 2645810201 is 1020185462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2350795225 + 295014976 = 48485^2 + 17176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645810201 - 2¹⁸ = 2645548057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645810207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322905100 + 1322905101.

It is an arithmetic number, because the mean of its divisors is an integer number (1322905101).

Almost surely, 2^2645810201 is an apocalyptic number.

It is an amenable number.

2645810201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645810201 is an equidigital number, since it uses as much as digits as its factorization.

2645810201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2645810201 is about 51437.4396816171. The cubic root of 2645810201 is about 1383.0978159198.

Adding to 2645810201 its reverse (1020185462), we get a palindrome (3665995663).

The spelling of 2645810201 in words is "two billion, six hundred forty-five million, eight hundred ten thousand, two hundred one".