280841252 has 12 divisors (see below), whose sum is σ = 493530240. Its totient is φ = 139832616.

The previous prime is 280841251. The next prime is 280841257. The reversal of 280841252 is 252148082.

It is not an unprimeable number, because it can be changed into a prime (280841251) 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, 145928 + ... + 147839.

It is an arithmetic number, because the mean of its divisors is an integer number (41127520).

Almost surely, 2^280841252 is an apocalyptic number.

It is an amenable number.

280841252 is a deficient number, since it is larger than the sum of its proper divisors (212688988).

280841252 is a wasteful number, since it uses less digits than its factorization.

280841252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294010 (or 294008 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 280841252 is about 16758.3188894352. The cubic root of 280841252 is about 654.8677953172.

The spelling of 280841252 in words is "two hundred eighty million, eight hundred forty-one thousand, two hundred fifty-two".