725061 has 4 divisors (see below), whose sum is σ = 966752. Its totient is φ = 483372.

The previous prime is 725057. The next prime is 725071. The reversal of 725061 is 160527.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 725061 - 2² = 725057 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725061.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120841 + ... + 120846.

It is an arithmetic number, because the mean of its divisors is an integer number (241688).

2⁷²⁵⁰⁶¹ is an apocalyptic number.

It is an amenable number.

725061 is a deficient number, since it is larger than the sum of its proper divisors (241691).

725061 is a wasteful number, since it uses less digits than its factorization.

725061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241690.

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

The square root of 725061 is about 851.5051379763. The cubic root of 725061 is about 89.8376083993.

Adding to 725061 its reverse (160527), we get a palindrome (885588).

The spelling of 725061 in words is "seven hundred twenty-five thousand, sixty-one".