280103325 has 12 divisors (see below), whose sum is σ = 463104288. Its totient is φ = 149388400.

The previous prime is 280103323. The next prime is 280103347. The reversal of 280103325 is 523301082.

It is not a de Polignac number, because 280103325 - 2¹ = 280103323 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 280103295 and 280103304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280103323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1867281 + ... + 1867430.

It is an arithmetic number, because the mean of its divisors is an integer number (38592024).

Almost surely, 2^280103325 is an apocalyptic number.

280103325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

280103325 is a deficient number, since it is larger than the sum of its proper divisors (183000963).

280103325 is a wasteful number, since it uses less digits than its factorization.

280103325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734724 (or 3734719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 280103325 is about 16736.2876708068. The cubic root of 280103325 is about 654.2937242666.

The spelling of 280103325 in words is "two hundred eighty million, one hundred three thousand, three hundred twenty-five".