725713801 has 2 divisors, whose sum is σ = 725713802. Its totient is φ = 725713800.

The previous prime is 725713787. The next prime is 725713811. The reversal of 725713801 is 108317527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716097600 + 9616201 = 26760^2 + 3101^2 .

It is an emirp because it is prime and its reverse (108317527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725713801 - 2⁷ = 725713673 is a prime.

It is not a weakly prime, because it can be changed into another prime (725713811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362856900 + 362856901.

It is an arithmetic number, because the mean of its divisors is an integer number (362856901).

Almost surely, 2^725713801 is an apocalyptic number.

It is an amenable number.

725713801 is a deficient number, since it is larger than the sum of its proper divisors (1).

725713801 is an equidigital number, since it uses as much as digits as its factorization.

725713801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 725713801 is about 26939.0757265352. The cubic root of 725713801 is about 898.6456175863.

The spelling of 725713801 in words is "seven hundred twenty-five million, seven hundred thirteen thousand, eight hundred one".