256060073 has 2 divisors, whose sum is σ = 256060074. Its totient is φ = 256060072.

The previous prime is 256060061. The next prime is 256060099. The reversal of 256060073 is 370060652.

256060073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213510544 + 42549529 = 14612^2 + 6523^2 .

It is a cyclic number.

It is not a de Polignac number, because 256060073 - 2²² = 251865769 is a prime.

It is not a weakly prime, because it can be changed into another prime (256060043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128030036 + 128030037.

It is an arithmetic number, because the mean of its divisors is an integer number (128030037).

Almost surely, 2^256060073 is an apocalyptic number.

It is an amenable number.

256060073 is a deficient number, since it is larger than the sum of its proper divisors (1).

256060073 is an equidigital number, since it uses as much as digits as its factorization.

256060073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 256060073 is about 16001.8771711321. The cubic root of 256060073 is about 635.0100835400.

The spelling of 256060073 in words is "two hundred fifty-six million, sixty thousand, seventy-three".