725312001 has 8 divisors (see below), whose sum is σ = 967339264. Its totient is φ = 483413040.

The previous prime is 725311981. The next prime is 725312033. The reversal of 725312001 is 100213527.

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

It is not a de Polignac number, because 725312001 - 2²³ = 716923393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725332001) 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 7 ways as a sum of consecutive naturals, for example, 18001 + ... + 42126.

It is an arithmetic number, because the mean of its divisors is an integer number (120917408).

Almost surely, 2^725312001 is an apocalyptic number.

It is an amenable number.

725312001 is a deficient number, since it is larger than the sum of its proper divisors (242027263).

725312001 is a wasteful number, since it uses less digits than its factorization.

725312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64151.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 725312001 is about 26931.6171256016. The cubic root of 725312001 is about 898.4797383894.

Adding to 725312001 its reverse (100213527), we get a palindrome (825525528).

The spelling of 725312001 in words is "seven hundred twenty-five million, three hundred twelve thousand, one".