725280841 has 2 divisors, whose sum is σ = 725280842. Its totient is φ = 725280840.

The previous prime is 725280839. The next prime is 725280851. The reversal of 725280841 is 148082527.

725280841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724686400 + 594441 = 26920^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 725280841 - 2¹ = 725280839 is a prime.

Together with 725280839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 725280841.

It is not a weakly prime, because it can be changed into another prime (725280851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362640420 + 362640421.

It is an arithmetic number, because the mean of its divisors is an integer number (362640421).

Almost surely, 2^725280841 is an apocalyptic number.

It is an amenable number.

725280841 is a deficient number, since it is larger than the sum of its proper divisors (1).

725280841 is an equidigital number, since it uses as much as digits as its factorization.

725280841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 725280841 is about 26931.0386171792. The cubic root of 725280841 is about 898.4668717290.

The spelling of 725280841 in words is "seven hundred twenty-five million, two hundred eighty thousand, eight hundred forty-one".