7256155073 has 2 divisors, whose sum is σ = 7256155074. Its totient is φ = 7256155072.

The previous prime is 7256155037. The next prime is 7256155087. The reversal of 7256155073 is 3705516527.

7256155073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (7256155037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5182992049 + 2073163024 = 71993^2 + 45532^2 .

It is a cyclic number.

It is not a de Polignac number, because 7256155073 - 2¹⁸ = 7255892929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7256155073.

It is not a weakly prime, because it can be changed into another prime (7256155273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628077536 + 3628077537.

It is an arithmetic number, because the mean of its divisors is an integer number (3628077537).

Almost surely, 2^7256155073 is an apocalyptic number.

It is an amenable number.

7256155073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256155073 is an equidigital number, since it uses as much as digits as its factorization.

7256155073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 7256155073 is about 85183.0679947606. The cubic root of 7256155073 is about 1935.9858786827.

The spelling of 7256155073 in words is "seven billion, two hundred fifty-six million, one hundred fifty-five thousand, seventy-three".