725261060261 has 2 divisors, whose sum is σ = 725261060262. Its totient is φ = 725261060260.

The previous prime is 725261060137. The next prime is 725261060417. The reversal of 725261060261 is 162060162527.

725261060261 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., 462901976161 + 262359084100 = 680369^2 + 512210^2 .

It is a cyclic number.

It is not a de Polignac number, because 725261060261 - 2²⁶ = 725193951397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725261060861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362630530130 + 362630530131.

It is an arithmetic number, because the mean of its divisors is an integer number (362630530131).

Almost surely, 2^725261060261 is an apocalyptic number.

It is an amenable number.

725261060261 is a deficient number, since it is larger than the sum of its proper divisors (1).

725261060261 is an equidigital number, since it uses as much as digits as its factorization.

725261060261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 725261060261 in words is "seven hundred twenty-five billion, two hundred sixty-one million, sixty thousand, two hundred sixty-one".