725774662241 has 2 divisors, whose sum is σ = 725774662242. Its totient is φ = 725774662240.

The previous prime is 725774662219. The next prime is 725774662337. The reversal of 725774662241 is 142266477527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492095235025 + 233679427216 = 701495^2 + 483404^2 .

It is an emirp because it is prime and its reverse (142266477527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725774662241 - 2³⁰ = 724700920417 is a prime.

It is a super-2 number, since 2×725774662241² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725774662441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362887331120 + 362887331121.

It is an arithmetic number, because the mean of its divisors is an integer number (362887331121).

Almost surely, 2^725774662241 is an apocalyptic number.

It is an amenable number.

725774662241 is a deficient number, since it is larger than the sum of its proper divisors (1).

725774662241 is an equidigital number, since it uses as much as digits as its factorization.

725774662241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 53.

The spelling of 725774662241 in words is "seven hundred twenty-five billion, seven hundred seventy-four million, six hundred sixty-two thousand, two hundred forty-one".