256060773 has 6 divisors (see below), whose sum is σ = 369865574. Its totient is φ = 170707176.

The previous prime is 256060759. The next prime is 256060787. The reversal of 256060773 is 377060652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (256060759) and next prime (256060787).

It can be written as a sum of positive squares in only one way, i.e., 222397569 + 33663204 = 14913^2 + 5802^2 .

It is not a de Polignac number, because 256060773 - 2¹³ = 256052581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256060723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14225590 + ... + 14225607.

Almost surely, 2^256060773 is an apocalyptic number.

It is an amenable number.

256060773 is a deficient number, since it is larger than the sum of its proper divisors (113804801).

256060773 is a wasteful number, since it uses less digits than its factorization.

256060773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28451203 (or 28451200 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 256060773 is about 16001.8990435510. The cubic root of 256060773 is about 635.0106621890.

The spelling of 256060773 in words is "two hundred fifty-six million, sixty thousand, seven hundred seventy-three".