2265187697 has 2 divisors, whose sum is σ = 2265187698. Its totient is φ = 2265187696.

The previous prime is 2265187663. The next prime is 2265187711. The reversal of 2265187697 is 7967815622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914150001 + 351037696 = 43751^2 + 18736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265187697 - 2¹² = 2265183601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2265187997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132593848 + 1132593849.

It is an arithmetic number, because the mean of its divisors is an integer number (1132593849).

Almost surely, 2^2265187697 is an apocalyptic number.

It is an amenable number.

2265187697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265187697 is an equidigital number, since it uses as much as digits as its factorization.

2265187697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 2265187697 is about 47593.9880342045. The cubic root of 2265187697 is about 1313.3124602587.

The spelling of 2265187697 in words is "two billion, two hundred sixty-five million, one hundred eighty-seven thousand, six hundred ninety-seven".