280425452803 has 2 divisors, whose sum is σ = 280425452804. Its totient is φ = 280425452802.

The previous prime is 280425452689. The next prime is 280425452809. The reversal of 280425452803 is 308254524082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280425452803 - 2²⁹ = 279888581891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280425452803.

It is not a weakly prime, because it can be changed into another prime (280425452809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140212726401 + 140212726402.

It is an arithmetic number, because the mean of its divisors is an integer number (140212726402).

Almost surely, 2^280425452803 is an apocalyptic number.

280425452803 is a deficient number, since it is larger than the sum of its proper divisors (1).

280425452803 is an equidigital number, since it uses as much as digits as its factorization.

280425452803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 614400, while the sum is 43.

Adding to 280425452803 its reverse (308254524082), we get a palindrome (588679976885).

It can be divided in two parts, 28042 and 5452803, that added together give a palindrome (5480845).

The spelling of 280425452803 in words is "two hundred eighty billion, four hundred twenty-five million, four hundred fifty-two thousand, eight hundred three".