725011535 has 16 divisors (see below), whose sum is σ = 890782272. Its totient is φ = 566304000.

The previous prime is 725011531. The next prime is 725011577. The reversal of 725011535 is 535110527.

It is a happy number.

It is not a de Polignac number, because 725011535 - 2² = 725011531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725011498 and 725011507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725011531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33110 + ... + 50460.

It is an arithmetic number, because the mean of its divisors is an integer number (55673892).

Almost surely, 2^725011535 is an apocalyptic number.

725011535 is a deficient number, since it is larger than the sum of its proper divisors (165770737).

725011535 is a wasteful number, since it uses less digits than its factorization.

725011535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17554.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 725011535 is about 26926.0382343931. The cubic root of 725011535 is about 898.3556539037.

The spelling of 725011535 in words is "seven hundred twenty-five million, eleven thousand, five hundred thirty-five".