2107255697 has 2 divisors, whose sum is σ = 2107255698. Its totient is φ = 2107255696.

The previous prime is 2107255643. The next prime is 2107255729. The reversal of 2107255697 is 7965527012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1475789056 + 631466641 = 38416^2 + 25129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2107255697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2107255627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053627848 + 1053627849.

It is an arithmetic number, because the mean of its divisors is an integer number (1053627849).

Almost surely, 2^2107255697 is an apocalyptic number.

It is an amenable number.

2107255697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107255697 is an equidigital number, since it uses as much as digits as its factorization.

2107255697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 2107255697 is about 45904.8548303989. The cubic root of 2107255697 is about 1282.0523100516.

The spelling of 2107255697 in words is "two billion, one hundred seven million, two hundred fifty-five thousand, six hundred ninety-seven".