725184545 has 16 divisors (see below), whose sum is σ = 885245760. Its totient is φ = 570216000.

The previous prime is 725184541. The next prime is 725184599. The reversal of 725184545 is 545481527.

It is not a de Polignac number, because 725184545 - 2² = 725184541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725184541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65030 + ... + 75360.

It is an arithmetic number, because the mean of its divisors is an integer number (55327860).

Almost surely, 2^725184545 is an apocalyptic number.

It is an amenable number.

725184545 is a deficient number, since it is larger than the sum of its proper divisors (160061215).

725184545 is a wasteful number, since it uses less digits than its factorization.

725184545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576.

The product of its digits is 224000, while the sum is 41.

The square root of 725184545 is about 26929.2507322428. The cubic root of 725184545 is about 898.4271066291.

The spelling of 725184545 in words is "seven hundred twenty-five million, one hundred eighty-four thousand, five hundred forty-five".