725545527 has 8 divisors (see below), whose sum is σ = 1105593216. Its totient is φ = 414597432.

The previous prime is 725545507. The next prime is 725545537.

725545527 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 725545527 - 2⁷ = 725545399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725545507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17274873 + ... + 17274914.

It is an arithmetic number, because the mean of its divisors is an integer number (138199152).

Almost surely, 2^725545527 is an apocalyptic number.

725545527 is a deficient number, since it is larger than the sum of its proper divisors (380047689).

725545527 is a wasteful number, since it uses less digits than its factorization.

725545527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34549797.

The product of its digits is 490000, while the sum is 42.

The square root of 725545527 is about 26935.9523128476. The cubic root of 725545527 is about 898.5761547660.

The spelling of 725545527 in words is "seven hundred twenty-five million, five hundred forty-five thousand, five hundred twenty-seven".