280130675 has 24 divisors (see below), whose sum is σ = 401237712. Its totient is φ = 191744000.

The previous prime is 280130657. The next prime is 280130677. The reversal of 280130675 is 576031082.

It is a happy number.

It is not a de Polignac number, because 280130675 - 2¹⁰ = 280129651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280130677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25286 + ... + 34635.

It is an arithmetic number, because the mean of its divisors is an integer number (16718238).

Almost surely, 2^280130675 is an apocalyptic number.

280130675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

280130675 is a deficient number, since it is larger than the sum of its proper divisors (121107037).

280130675 is a wasteful number, since it uses less digits than its factorization.

280130675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59959 (or 59954 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 280130675 is about 16737.1047376779. The cubic root of 280130675 is about 654.3150192071.

The spelling of 280130675 in words is "two hundred eighty million, one hundred thirty thousand, six hundred seventy-five".