280933053 has 8 divisors (see below), whose sum is σ = 382547328. Its totient is φ = 183303744.

The previous prime is 280933033. The next prime is 280933087. The reversal of 280933053 is 350339082.

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

It is not a de Polignac number, because 280933053 - 2¹² = 280928957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280933033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996076 + ... + 996357.

It is an arithmetic number, because the mean of its divisors is an integer number (47818416).

Almost surely, 2^280933053 is an apocalyptic number.

It is an amenable number.

280933053 is a deficient number, since it is larger than the sum of its proper divisors (101614275).

280933053 is a wasteful number, since it uses less digits than its factorization.

280933053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992483.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 280933053 is about 16761.0576336936. The cubic root of 280933053 is about 654.9391416369.

The spelling of 280933053 in words is "two hundred eighty million, nine hundred thirty-three thousand, fifty-three".