3725281184761 has 2 divisors, whose sum is σ = 3725281184762. Its totient is φ = 3725281184760.

The previous prime is 3725281184747. The next prime is 3725281184813. The reversal of 3725281184761 is 1674811825273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3218364240400 + 506916944361 = 1793980^2 + 711981^2 .

It is a cyclic number.

It is not a de Polignac number, because 3725281184761 - 2⁷ = 3725281184633 is a prime.

It is not a weakly prime, because it can be changed into another prime (3725281184711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862640592380 + 1862640592381.

It is an arithmetic number, because the mean of its divisors is an integer number (1862640592381).

Almost surely, 2^{3725281184761} is an apocalyptic number.

It is an amenable number.

3725281184761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725281184761 is an equidigital number, since it uses as much as digits as its factorization.

3725281184761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 55.

The spelling of 3725281184761 in words is "three trillion, seven hundred twenty-five billion, two hundred eighty-one million, one hundred eighty-four thousand, seven hundred sixty-one".