280303003025 has 12 divisors (see below), whose sum is σ = 347595716364. Its totient is φ = 224229504000.

The previous prime is 280303002937. The next prime is 280303003033. The reversal of 280303003025 is 520300303082.

It can be written as a sum of positive squares in 6 ways, for example, as 841696144 + 279461306881 = 29012^2 + 528641^2 .

It is not a de Polignac number, because 280303003025 - 2¹⁸ = 280302740881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280303002985 and 280303003003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133505 + ... + 760545.

It is an arithmetic number, because the mean of its divisors is an integer number (28966309697).

Almost surely, 2^280303003025 is an apocalyptic number.

280303003025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

280303003025 is a deficient number, since it is larger than the sum of its proper divisors (67292713339).

280303003025 is a wasteful number, since it uses less digits than its factorization.

280303003025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644932 (or 644927 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 280303003025 in words is "two hundred eighty billion, three hundred three million, three thousand, twenty-five".