280325303 has 2 divisors, whose sum is σ = 280325304. Its totient is φ = 280325302.

The previous prime is 280325293. The next prime is 280325369. The reversal of 280325303 is 303523082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280325303 - 2²⁸ = 11889847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280325203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140162651 + 140162652.

It is an arithmetic number, because the mean of its divisors is an integer number (140162652).

Almost surely, 2^280325303 is an apocalyptic number.

280325303 is a deficient number, since it is larger than the sum of its proper divisors (1).

280325303 is an equidigital number, since it uses as much as digits as its factorization.

280325303 is an evil number, because the sum of its binary digits is even.

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

The square root of 280325303 is about 16742.9179953794. The cubic root of 280325303 is about 654.4665181961.

Adding to 280325303 its reverse (303523082), we get a palindrome (583848385).

The spelling of 280325303 in words is "two hundred eighty million, three hundred twenty-five thousand, three hundred three".