280250005253 has 4 divisors (see below), whose sum is σ = 280303098240. Its totient is φ = 280196912268.

The previous prime is 280250005177. The next prime is 280250005261. The reversal of 280250005253 is 352500052082.

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-280250005253 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 (280250001253) 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, 26538575 + ... + 26549132.

It is an arithmetic number, because the mean of its divisors is an integer number (70075774560).

Almost surely, 2^280250005253 is an apocalyptic number.

It is an amenable number.

280250005253 is a deficient number, since it is larger than the sum of its proper divisors (53092987).

280250005253 is an equidigital number, since it uses as much as digits as its factorization.

280250005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53092986.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 280250005253 in words is "two hundred eighty billion, two hundred fifty million, five thousand, two hundred fifty-three".