280530300253 has 16 divisors (see below), whose sum is σ = 328240281600. Its totient is φ = 234734952816.

The previous prime is 280530300221. The next prime is 280530300263. The reversal of 280530300253 is 352003035082.

It is not a de Polignac number, because 280530300253 - 2⁵ = 280530300221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280530300203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303648 + ... + 808246.

It is an arithmetic number, because the mean of its divisors is an integer number (20515017600).

Almost surely, 2^280530300253 is an apocalyptic number.

It is an amenable number.

280530300253 is a deficient number, since it is larger than the sum of its proper divisors (47709981347).

280530300253 is a wasteful number, since it uses less digits than its factorization.

280530300253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506496.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 280530300253 in words is "two hundred eighty billion, five hundred thirty million, three hundred thousand, two hundred fifty-three".