2245312571 has 2 divisors, whose sum is σ = 2245312572. Its totient is φ = 2245312570.

The previous prime is 2245312567. The next prime is 2245312633. The reversal of 2245312571 is 1752135422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2245312571 - 2² = 2245312567 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2245312471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122656285 + 1122656286.

It is an arithmetic number, because the mean of its divisors is an integer number (1122656286).

Almost surely, 2^2245312571 is an apocalyptic number.

2245312571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245312571 is an equidigital number, since it uses as much as digits as its factorization.

2245312571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 2245312571 is about 47384.7293017487. The cubic root of 2245312571 is about 1309.4600985933.

Adding to 2245312571 its reverse (1752135422), we get a palindrome (3997447993).

The spelling of 2245312571 in words is "two billion, two hundred forty-five million, three hundred twelve thousand, five hundred seventy-one".