960256047521 has 4 divisors (see below), whose sum is σ = 960272156292. Its totient is φ = 960239938752.

The previous prime is 960256047503. The next prime is 960256047539. The reversal of 960256047521 is 125740652069.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (960256047503) and next prime (960256047539).

It can be written as a sum of positive squares in 2 ways, for example, as 777414287521 + 182841760000 = 881711^2 + 427600^2 .

It is a cyclic number.

It is not a de Polignac number, because 960256047521 - 2²² = 960251853217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (960256047581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964636 + ... + 8084301.

It is an arithmetic number, because the mean of its divisors is an integer number (240068039073).

Almost surely, 2^960256047521 is an apocalyptic number.

It is an amenable number.

960256047521 is a deficient number, since it is larger than the sum of its proper divisors (16108771).

960256047521 is a wasteful number, since it uses less digits than its factorization.

960256047521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16108770.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 960256047521 in words is "nine hundred sixty billion, two hundred fifty-six million, forty-seven thousand, five hundred twenty-one".