2685625441 has 2 divisors, whose sum is σ = 2685625442. Its totient is φ = 2685625440.

The previous prime is 2685625379. The next prime is 2685625477. The reversal of 2685625441 is 1445265862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2454707025 + 230918416 = 49545^2 + 15196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685625441 - 2²⁷ = 2551407713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2685625141) 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, 1342812720 + 1342812721.

It is an arithmetic number, because the mean of its divisors is an integer number (1342812721).

Almost surely, 2^2685625441 is an apocalyptic number.

It is an amenable number.

2685625441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685625441 is an equidigital number, since it uses as much as digits as its factorization.

2685625441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 43.

The square root of 2685625441 is about 51823.0203770487. The cubic root of 2685625441 is about 1390.0011112252.

The spelling of 2685625441 in words is "two billion, six hundred eighty-five million, six hundred twenty-five thousand, four hundred forty-one".