725625046481 has 2 divisors, whose sum is σ = 725625046482. Its totient is φ = 725625046480.

The previous prime is 725625046439. The next prime is 725625046511. The reversal of 725625046481 is 184640526527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389520781456 + 336104265025 = 624116^2 + 579745^2 .

It is a cyclic number.

It is not a de Polignac number, because 725625046481 - 2³⁰ = 724551304657 is a prime.

It is a super-2 number, since 2×725625046481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725625006481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362812523240 + 362812523241.

It is an arithmetic number, because the mean of its divisors is an integer number (362812523241).

Almost surely, 2^725625046481 is an apocalyptic number.

It is an amenable number.

725625046481 is a deficient number, since it is larger than the sum of its proper divisors (1).

725625046481 is an equidigital number, since it uses as much as digits as its factorization.

725625046481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 725625046481 in words is "seven hundred twenty-five billion, six hundred twenty-five million, forty-six thousand, four hundred eighty-one".