1073796281 has 2 divisors, whose sum is σ = 1073796282. Its totient is φ = 1073796280.

The previous prime is 1073796257. The next prime is 1073796289. The reversal of 1073796281 is 1826973701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935381056 + 138415225 = 30584^2 + 11765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073796281 - 2²² = 1069601977 is a prime.

It is a super-2 number, since 2×1073796281² = 2306076906178861922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1073796289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536898140 + 536898141.

It is an arithmetic number, because the mean of its divisors is an integer number (536898141).

Almost surely, 2^1073796281 is an apocalyptic number.

It is an amenable number.

1073796281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073796281 is an equidigital number, since it uses as much as digits as its factorization.

1073796281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1073796281 is about 32768.8309373404. The cubic root of 1073796281 is about 1024.0173111214.

The spelling of 1073796281 in words is "one billion, seventy-three million, seven hundred ninety-six thousand, two hundred eighty-one".