725843141 has 2 divisors, whose sum is σ = 725843142. Its totient is φ = 725843140.

The previous prime is 725843113. The next prime is 725843159. The reversal of 725843141 is 141348527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363093025 + 362750116 = 19055^2 + 19046^2 .

It is an emirp because it is prime and its reverse (141348527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725843141 - 2²⁶ = 658734277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725843191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362921570 + 362921571.

It is an arithmetic number, because the mean of its divisors is an integer number (362921571).

Almost surely, 2^725843141 is an apocalyptic number.

It is an amenable number.

725843141 is a deficient number, since it is larger than the sum of its proper divisors (1).

725843141 is an equidigital number, since it uses as much as digits as its factorization.

725843141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 725843141 is about 26941.4762216178. The cubic root of 725843141 is about 898.6990013122.

The spelling of 725843141 in words is "seven hundred twenty-five million, eight hundred forty-three thousand, one hundred forty-one".