2555562697 has 2 divisors, whose sum is σ = 2555562698. Its totient is φ = 2555562696.

The previous prime is 2555562671. The next prime is 2555562703. The reversal of 2555562697 is 7962655552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2554695936 + 866761 = 50544^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555562697 - 2¹⁵ = 2555529929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555562397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277781348 + 1277781349.

It is an arithmetic number, because the mean of its divisors is an integer number (1277781349).

Almost surely, 2^2555562697 is an apocalyptic number.

It is an amenable number.

2555562697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555562697 is an equidigital number, since it uses as much as digits as its factorization.

2555562697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670000, while the sum is 52.

The square root of 2555562697 is about 50552.5735942296. The cubic root of 2555562697 is about 1367.1899167592.

The spelling of 2555562697 in words is "two billion, five hundred fifty-five million, five hundred sixty-two thousand, six hundred ninety-seven".