1284852553 has 8 divisors (see below), whose sum is σ = 1317135168. Its totient is φ = 1252867824.

The previous prime is 1284852539. The next prime is 1284852559. The reversal of 1284852553 is 3552584821.

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 1284852553 - 2¹³ = 1284844361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1284852559) 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, 65725 + ... + 83002.

It is an arithmetic number, because the mean of its divisors is an integer number (164641896).

Almost surely, 2^1284852553 is an apocalyptic number.

It is an amenable number.

1284852553 is a deficient number, since it is larger than the sum of its proper divisors (32282615).

1284852553 is a wasteful number, since it uses less digits than its factorization.

1284852553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148943.

The product of its digits is 384000, while the sum is 43.

The square root of 1284852553 is about 35844.8399773245. The cubic root of 1284852553 is about 1087.1373846830.

The spelling of 1284852553 in words is "one billion, two hundred eighty-four million, eight hundred fifty-two thousand, five hundred fifty-three".