725843135 has 16 divisors (see below), whose sum is σ = 923524416. Its totient is φ = 545760768.

The previous prime is 725843113. The next prime is 725843141. The reversal of 725843135 is 531348527.

It is a cyclic number.

It is not a de Polignac number, because 725843135 - 2²⁰ = 724794559 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60182 + ... + 71228.

It is an arithmetic number, because the mean of its divisors is an integer number (57720276).

Almost surely, 2^725843135 is an apocalyptic number.

725843135 is a deficient number, since it is larger than the sum of its proper divisors (197681281).

725843135 is a wasteful number, since it uses less digits than its factorization.

725843135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842.

The product of its digits is 100800, while the sum is 38.

The square root of 725843135 is about 26941.4761102654. The cubic root of 725843135 is about 898.6989988359.

The spelling of 725843135 in words is "seven hundred twenty-five million, eight hundred forty-three thousand, one hundred thirty-five".