284666053 has 4 divisors (see below), whose sum is σ = 325332640. Its totient is φ = 243999468.

The previous prime is 284666047. The next prime is 284666069. The reversal of 284666053 is 350666482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284666053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284665997 and 284666015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284666033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333283 + ... + 20333296.

It is an arithmetic number, because the mean of its divisors is an integer number (81333160).

Almost surely, 2^284666053 is an apocalyptic number.

It is an amenable number.

284666053 is a deficient number, since it is larger than the sum of its proper divisors (40666587).

284666053 is an equidigital number, since it uses as much as digits as its factorization.

284666053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666586.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 284666053 is about 16872.0494605724. The cubic root of 284666053 is about 657.8273005996.

The spelling of 284666053 in words is "two hundred eighty-four million, six hundred sixty-six thousand, fifty-three".