1283061533 has 4 divisors (see below), whose sum is σ = 1381758588. Its totient is φ = 1184364480.

The previous prime is 1283061523. The next prime is 1283061541. The reversal of 1283061533 is 3351603821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 308248249 + 974813284 = 17557^2 + 31222^2 .

It is not a de Polignac number, because 1283061533 - 2¹⁰ = 1283060509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283061533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283061523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49348508 + ... + 49348533.

It is an arithmetic number, because the mean of its divisors is an integer number (345439647).

Almost surely, 2^1283061533 is an apocalyptic number.

1283061533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1283061533 is a deficient number, since it is larger than the sum of its proper divisors (98697055).

1283061533 is an equidigital number, since it uses as much as digits as its factorization.

1283061533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98697054.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1283061533 is about 35819.8483106783. The cubic root of 1283061533 is about 1086.6320114638.

The spelling of 1283061533 in words is "one billion, two hundred eighty-three million, sixty-one thousand, five hundred thirty-three".