2551125061 has 2 divisors, whose sum is σ = 2551125062. Its totient is φ = 2551125060.

The previous prime is 2551125037. The next prime is 2551125091. The reversal of 2551125061 is 1605211552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334440900 + 1216684161 = 36530^2 + 34881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551125061 - 2⁵ = 2551125029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551125011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275562530 + 1275562531.

It is an arithmetic number, because the mean of its divisors is an integer number (1275562531).

Almost surely, 2^2551125061 is an apocalyptic number.

It is an amenable number.

2551125061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551125061 is an equidigital number, since it uses as much as digits as its factorization.

2551125061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 2551125061 is about 50508.6632272128. The cubic root of 2551125061 is about 1366.3981007535.

The spelling of 2551125061 in words is "two billion, five hundred fifty-one million, one hundred twenty-five thousand, sixty-one".