1055275281 has 12 divisors (see below), whose sum is σ = 1530945780. Its totient is φ = 700443360.

The previous prime is 1055275279. The next prime is 1055275283. The reversal of 1055275281 is 1825725501.

1055275281 is a `hidden beast` number, since 1 + 0 + 5 + 527 + 52 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (1055275279) and next prime (1055275283).

It can be written as a sum of positive squares in 2 ways, for example, as 986965056 + 68310225 = 31416^2 + 8265^2 .

It is not a de Polignac number, because 1055275281 - 2¹ = 1055275279 is a prime.

It is a super-2 number, since 2×1055275281² = 2227211837379257922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055275283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253950 + ... + 258071.

It is an arithmetic number, because the mean of its divisors is an integer number (127578815).

Almost surely, 2^1055275281 is an apocalyptic number.

It is an amenable number.

1055275281 is a deficient number, since it is larger than the sum of its proper divisors (475670499).

1055275281 is a wasteful number, since it uses less digits than its factorization.

1055275281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512256 (or 512253 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 1055275281 is about 32485.0008619363. Note that the first 3 decimals coincide. The cubic root of 1055275281 is about 1018.0956653998.

The spelling of 1055275281 in words is "one billion, fifty-five million, two hundred seventy-five thousand, two hundred eighty-one".