280225003 has 2 divisors, whose sum is σ = 280225004. Its totient is φ = 280225002.

The previous prime is 280224979. The next prime is 280225007. The reversal of 280225003 is 300522082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280225003 - 2⁹ = 280224491 is a prime.

It is not a weakly prime, because it can be changed into another prime (280225007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140112501 + 140112502.

It is an arithmetic number, because the mean of its divisors is an integer number (140112502).

Almost surely, 2^280225003 is an apocalyptic number.

280225003 is a deficient number, since it is larger than the sum of its proper divisors (1).

280225003 is an equidigital number, since it uses as much as digits as its factorization.

280225003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 280225003 is about 16739.9224311226. The cubic root of 280225003 is about 654.3884531509.

Adding to 280225003 its reverse (300522082), we get a palindrome (580747085).

The spelling of 280225003 in words is "two hundred eighty million, two hundred twenty-five thousand, three".