282021053 has 4 divisors (see below), whose sum is σ = 282490908. Its totient is φ = 281551200.

The previous prime is 282021049. The next prime is 282021079. The reversal of 282021053 is 350120282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350120282 = 2 ⋅175060141.

It can be written as a sum of positive squares in 2 ways, for example, as 182061049 + 99960004 = 13493^2 + 9998^2 .

It is a cyclic number.

It is not a de Polignac number, because 282021053 - 2² = 282021049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282021013) 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, 234026 + ... + 235227.

It is an arithmetic number, because the mean of its divisors is an integer number (70622727).

Almost surely, 2^282021053 is an apocalyptic number.

It is an amenable number.

282021053 is a deficient number, since it is larger than the sum of its proper divisors (469855).

282021053 is an equidigital number, since it uses as much as digits as its factorization.

282021053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469854.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 282021053 is about 16793.4824560006. The cubic root of 282021053 is about 655.7835372029.

The spelling of 282021053 in words is "two hundred eighty-two million, twenty-one thousand, fifty-three".