725224543 has 2 divisors, whose sum is σ = 725224544. Its totient is φ = 725224542.

The previous prime is 725224499. The next prime is 725224553. The reversal of 725224543 is 345422527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725224543 - 2¹⁷ = 725093471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725224499 and 725224508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725224553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362612271 + 362612272.

It is an arithmetic number, because the mean of its divisors is an integer number (362612272).

Almost surely, 2^725224543 is an apocalyptic number.

725224543 is a deficient number, since it is larger than the sum of its proper divisors (1).

725224543 is an equidigital number, since it uses as much as digits as its factorization.

725224543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 34.

The square root of 725224543 is about 26929.9933717036. The cubic root of 725224543 is about 898.4436240921.

The spelling of 725224543 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, five hundred forty-three".