1284285353 has 8 divisors (see below), whose sum is σ = 1416810696. Its totient is φ = 1156579200.

The previous prime is 1284285307. The next prime is 1284285367. The reversal of 1284285353 is 3535824821.

It can be written as a sum of positive squares in 4 ways, for example, as 14645929 + 1269639424 = 3827^2 + 35632^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1284285353 - 2²⁰ = 1283236777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1284285353.

It is not an unprimeable number, because it can be changed into a prime (1284285053) 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, 1204238 + ... + 1205303.

It is an arithmetic number, because the mean of its divisors is an integer number (177101337).

Almost surely, 2^1284285353 is an apocalyptic number.

1284285353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1284285353 is a deficient number, since it is larger than the sum of its proper divisors (132525343).

1284285353 is a wasteful number, since it uses less digits than its factorization.

1284285353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409595.

The product of its digits is 230400, while the sum is 41.

The square root of 1284285353 is about 35836.9272259774. The cubic root of 1284285353 is about 1086.9773883519.

The spelling of 1284285353 in words is "one billion, two hundred eighty-four million, two hundred eighty-five thousand, three hundred fifty-three".