1053282781 has 2 divisors, whose sum is σ = 1053282782. Its totient is φ = 1053282780.

The previous prime is 1053282773. The next prime is 1053282817. The reversal of 1053282781 is 1872823501.

Together with next prime (1053282817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013403556 + 39879225 = 31834^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053282781 - 2³ = 1053282773 is a prime.

It is a super-2 number, since 2×1053282781² = 2218809233502187922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053282781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053282751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526641390 + 526641391.

It is an arithmetic number, because the mean of its divisors is an integer number (526641391).

Almost surely, 2^1053282781 is an apocalyptic number.

It is an amenable number.

1053282781 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053282781 is an equidigital number, since it uses as much as digits as its factorization.

1053282781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1053282781 is about 32454.3183721365. The cubic root of 1053282781 is about 1017.4544950441.

The spelling of 1053282781 in words is "one billion, fifty-three million, two hundred eighty-two thousand, seven hundred eighty-one".