2557107061 has 2 divisors, whose sum is σ = 2557107062. Its totient is φ = 2557107060.

The previous prime is 2557107043. The next prime is 2557107089. The reversal of 2557107061 is 1607017552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297284900 + 259822161 = 47930^2 + 16119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557107061 - 2⁵ = 2557107029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557104061) 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, 1278553530 + 1278553531.

It is an arithmetic number, because the mean of its divisors is an integer number (1278553531).

Almost surely, 2^2557107061 is an apocalyptic number.

It is an amenable number.

2557107061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557107061 is an equidigital number, since it uses as much as digits as its factorization.

2557107061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 2557107061 is about 50567.8461178643. The cubic root of 2557107061 is about 1367.4652656037.

The spelling of 2557107061 in words is "two billion, five hundred fifty-seven million, one hundred seven thousand, sixty-one".