280000003025 has 48 divisors (see below), whose sum is σ = 369378786816. Its totient is φ = 210077387520.

The previous prime is 280000002977. The next prime is 280000003037. The reversal of 280000003025 is 520300000082.

It is not a de Polignac number, because 280000003025 - 2²² = 279995808721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280000002988 and 280000003006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77496119 + ... + 77499731.

It is an arithmetic number, because the mean of its divisors is an integer number (7695391392).

Almost surely, 2^280000003025 is an apocalyptic number.

280000003025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

280000003025 is a deficient number, since it is larger than the sum of its proper divisors (89378783791).

280000003025 is a wasteful number, since it uses less digits than its factorization.

280000003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 280000003025 in words is "two hundred eighty billion, three thousand, twenty-five".