1283215533 has 8 divisors (see below), whose sum is σ = 1712198496. Its totient is φ = 854854800.

The previous prime is 1283215529. The next prime is 1283215567. The reversal of 1283215533 is 3355123821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1283215533 - 2² = 1283215529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1283215494 and 1283215503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283215523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150723 + ... + 159008.

It is an arithmetic number, because the mean of its divisors is an integer number (214024812).

Almost surely, 2^1283215533 is an apocalyptic number.

It is an amenable number.

1283215533 is a deficient number, since it is larger than the sum of its proper divisors (428982963).

1283215533 is a wasteful number, since it uses less digits than its factorization.

1283215533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311115.

The product of its digits is 21600, while the sum is 33.

The square root of 1283215533 is about 35821.9978923566. The cubic root of 1283215533 is about 1086.6754842126.

The spelling of 1283215533 in words is "one billion, two hundred eighty-three million, two hundred fifteen thousand, five hundred thirty-three".