725241205 has 8 divisors (see below), whose sum is σ = 937234872. Its totient is φ = 535562688.

The previous prime is 725241163. The next prime is 725241211. The reversal of 725241205 is 502142527.

It can be written as a sum of positive squares in 4 ways, for example, as 32182929 + 693058276 = 5673^2 + 26326^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725241205 - 2²³ = 716852597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578714 + ... + 5578843.

It is an arithmetic number, because the mean of its divisors is an integer number (117154359).

Almost surely, 2^725241205 is an apocalyptic number.

It is an amenable number.

725241205 is a deficient number, since it is larger than the sum of its proper divisors (211993667).

725241205 is a wasteful number, since it uses less digits than its factorization.

725241205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157575.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 725241205 is about 26930.3027275967. The cubic root of 725241205 is about 898.4505046062.

The spelling of 725241205 in words is "seven hundred twenty-five million, two hundred forty-one thousand, two hundred five".