960981281 has 4 divisors (see below), whose sum is σ = 1034902932. Its totient is φ = 887059632.

The previous prime is 960981277. The next prime is 960981299. The reversal of 960981281 is 182189069.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 182189069 = 1187 ⋅153487.

It can be written as a sum of positive squares in 2 ways, for example, as 44102881 + 916878400 = 6641^2 + 30280^2 .

It is a cyclic number.

It is not a de Polignac number, because 960981281 - 2² = 960981277 is a prime.

It is a super-2 number, since 2×960981281² = 1846970044864801922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (960981211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36960806 + ... + 36960831.

It is an arithmetic number, because the mean of its divisors is an integer number (258725733).

Almost surely, 2^960981281 is an apocalyptic number.

It is an amenable number.

960981281 is a deficient number, since it is larger than the sum of its proper divisors (73921651).

960981281 is a wasteful number, since it uses less digits than its factorization.

960981281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73921650.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 960981281 is about 30999.6980791749. The cubic root of 960981281 is about 986.8208329202.

It can be divided in two parts, 96098 and 1281, that added together give a palindrome (97379).

The spelling of 960981281 in words is "nine hundred sixty million, nine hundred eighty-one thousand, two hundred eighty-one".