2051725747 has 2 divisors, whose sum is σ = 2051725748. Its totient is φ = 2051725746.

The previous prime is 2051725673. The next prime is 2051725751. The reversal of 2051725747 is 7475271502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051725747 - 2⁷ = 2051725619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051725777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025862873 + 1025862874.

It is an arithmetic number, because the mean of its divisors is an integer number (1025862874).

Almost surely, 2^2051725747 is an apocalyptic number.

2051725747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051725747 is an equidigital number, since it uses as much as digits as its factorization.

2051725747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 2051725747 is about 45295.9793690345. The cubic root of 2051725747 is about 1270.6904603114.

It can be divided in two parts, 20517 and 25747, that added together give a palindrome (46264).

The spelling of 2051725747 in words is "two billion, fifty-one million, seven hundred twenty-five thousand, seven hundred forty-seven".