725245071 has 8 divisors (see below), whose sum is σ = 967836720. Its totient is φ = 483075072.

The previous prime is 725245063. The next prime is 725245097. The reversal of 725245071 is 170542527.

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

It is not a de Polignac number, because 725245071 - 2³ = 725245063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725245271) 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 7 ways as a sum of consecutive naturals, for example, 101376 + ... + 108293.

It is an arithmetic number, because the mean of its divisors is an integer number (120979590).

Almost surely, 2^725245071 is an apocalyptic number.

725245071 is a deficient number, since it is larger than the sum of its proper divisors (242591649).

725245071 is a wasteful number, since it uses less digits than its factorization.

725245071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210825.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 725245071 is about 26930.3745053796. The cubic root of 725245071 is about 898.4521010422.

Adding to 725245071 its reverse (170542527), we get a palindrome (895787598).

The spelling of 725245071 in words is "seven hundred twenty-five million, two hundred forty-five thousand, seventy-one".