1282552281 has 24 divisors (see below), whose sum is σ = 1887050880. Its totient is φ = 839251296.

The previous prime is 1282552279. The next prime is 1282552303. The reversal of 1282552281 is 1822552821.

1282552281 is a `hidden beast` number, since 1 + 2 + 82 + 552 + 28 + 1 = 666.

It is not a de Polignac number, because 1282552281 - 2¹ = 1282552279 is a prime.

It is a super-2 number, since 2×1282552281² = 3289880706996605922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1282552681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117790 + ... + 128216.

It is an arithmetic number, because the mean of its divisors is an integer number (78627120).

Almost surely, 2^1282552281 is an apocalyptic number.

It is an amenable number.

1282552281 is a deficient number, since it is larger than the sum of its proper divisors (604498599).

1282552281 is a wasteful number, since it uses less digits than its factorization.

1282552281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10685 (or 10682 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 1282552281 is about 35812.7390882071. The cubic root of 1282552281 is about 1086.4882296475.

The spelling of 1282552281 in words is "one billion, two hundred eighty-two million, five hundred fifty-two thousand, two hundred eighty-one".