280476325 has 12 divisors (see below), whose sum is σ = 350533120. Its totient is φ = 222611760.

The previous prime is 280476323. The next prime is 280476337. The reversal of 280476325 is 523674082.

It is not a de Polignac number, because 280476325 - 2¹ = 280476323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280476323) 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, 40995 + ... + 47344.

Almost surely, 2^280476325 is an apocalyptic number.

280476325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

280476325 is a deficient number, since it is larger than the sum of its proper divisors (70056795).

280476325 is a wasteful number, since it uses less digits than its factorization.

280476325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88476 (or 88471 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 280476325 is about 16747.4274143822. The cubic root of 280476325 is about 654.5840258409.

The spelling of 280476325 in words is "two hundred eighty million, four hundred seventy-six thousand, three hundred twenty-five".