725556119 has 2 divisors, whose sum is σ = 725556120. Its totient is φ = 725556118.

The previous prime is 725556113. The next prime is 725556239. The reversal of 725556119 is 911655527.

It is a weak prime.

It is an emirp because it is prime and its reverse (911655527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725556119 - 2⁴ = 725556103 is a prime.

It is a super-2 number, since 2×725556119² = 1052863363636684322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_37506677 and since 725556119 and 37506677 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725556113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362778059 + 362778060.

It is an arithmetic number, because the mean of its divisors is an integer number (362778060).

Almost surely, 2^725556119 is an apocalyptic number.

725556119 is a deficient number, since it is larger than the sum of its proper divisors (1).

725556119 is an equidigital number, since it uses as much as digits as its factorization.

725556119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 41.

The square root of 725556119 is about 26936.1489266747. The cubic root of 725556119 is about 898.5805274171.

The spelling of 725556119 in words is "seven hundred twenty-five million, five hundred fifty-six thousand, one hundred nineteen".