725049 has 12 divisors (see below), whose sum is σ = 1128036. Its totient is φ = 446112.

The previous prime is 725041. The next prime is 725057. The reversal of 725049 is 940527.

It is an interprime number because it is at equal distance from previous prime (725041) and next prime (725057).

It can be written as a sum of positive squares in 2 ways, for example, as 189225 + 535824 = 435^2 + 732^2 .

It is not a de Polignac number, because 725049 - 2³ = 725041 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725049.

It is not an unprimeable number, because it can be changed into a prime (725041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (94003).

2⁷²⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

725049 is a deficient number, since it is larger than the sum of its proper divisors (402987).

725049 is a wasteful number, since it uses less digits than its factorization.

725049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 725049 is about 851.4980916009. The cubic root of 725049 is about 89.8371127825.

The spelling of 725049 in words is "seven hundred twenty-five thousand, forty-nine".