725538343 has 2 divisors, whose sum is σ = 725538344. Its totient is φ = 725538342.

The previous prime is 725538311. The next prime is 725538367. The reversal of 725538343 is 343835527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725538343 - 2⁵ = 725538311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725538296 and 725538305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725538383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362769171 + 362769172.

It is an arithmetic number, because the mean of its divisors is an integer number (362769172).

Almost surely, 2^725538343 is an apocalyptic number.

725538343 is a deficient number, since it is larger than the sum of its proper divisors (1).

725538343 is an equidigital number, since it uses as much as digits as its factorization.

725538343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 40.

The square root of 725538343 is about 26935.8189591481. The cubic root of 725538343 is about 898.5731890011.

The spelling of 725538343 in words is "seven hundred twenty-five million, five hundred thirty-eight thousand, three hundred forty-three".