280083053 has 4 divisors (see below), whose sum is σ = 280688448. Its totient is φ = 279477660.

The previous prime is 280083049. The next prime is 280083061. The reversal of 280083053 is 350380082.

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 not a de Polignac number, because 280083053 - 2² = 280083049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280083253) 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, 302003 + ... + 302928.

It is an arithmetic number, because the mean of its divisors is an integer number (70172112).

Almost surely, 2^280083053 is an apocalyptic number.

It is an amenable number.

280083053 is a deficient number, since it is larger than the sum of its proper divisors (605395).

280083053 is an equidigital number, since it uses as much as digits as its factorization.

280083053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605394.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 280083053 is about 16735.6820297232. The cubic root of 280083053 is about 654.2779394220.

The spelling of 280083053 in words is "two hundred eighty million, eighty-three thousand, fifty-three".