725456269 has 2 divisors, whose sum is σ = 725456270. Its totient is φ = 725456268.

The previous prime is 725456231. The next prime is 725456293. The reversal of 725456269 is 962654527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626851369 + 98604900 = 25037^2 + 9930^2 .

It is a cyclic number.

It is not a de Polignac number, because 725456269 - 2²³ = 717067661 is a prime.

It is a super-2 number, since 2×725456269² = 1052573596462800722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725456219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362728134 + 362728135.

It is an arithmetic number, because the mean of its divisors is an integer number (362728135).

Almost surely, 2^725456269 is an apocalyptic number.

It is an amenable number.

725456269 is a deficient number, since it is larger than the sum of its proper divisors (1).

725456269 is an equidigital number, since it uses as much as digits as its factorization.

725456269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 46.

The square root of 725456269 is about 26934.2954056719. The cubic root of 725456269 is about 898.5393050685.

The spelling of 725456269 in words is "seven hundred twenty-five million, four hundred fifty-six thousand, two hundred sixty-nine".