2061540727 has 2 divisors, whose sum is σ = 2061540728. Its totient is φ = 2061540726.

The previous prime is 2061540713. The next prime is 2061540739. The reversal of 2061540727 is 7270451602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061540727 - 2¹¹ = 2061538679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061540692 and 2061540701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061540227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030770363 + 1030770364.

It is an arithmetic number, because the mean of its divisors is an integer number (1030770364).

Almost surely, 2^2061540727 is an apocalyptic number.

2061540727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061540727 is an equidigital number, since it uses as much as digits as its factorization.

2061540727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2061540727 is about 45404.1928350235. The cubic root of 2061540727 is about 1272.7134673266.

The spelling of 2061540727 in words is "two billion, sixty-one million, five hundred forty thousand, seven hundred twenty-seven".