725113 has 2 divisors, whose sum is σ = 725114. Its totient is φ = 725112.

The previous prime is 725111. The next prime is 725119. The reversal of 725113 is 311527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 273529 = 672^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 725113 - 2¹ = 725111 is a prime.

Together with 725111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (725111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362556 + 362557.

It is an arithmetic number, because the mean of its divisors is an integer number (362557).

2⁷²⁵¹¹³ is an apocalyptic number.

It is an amenable number.

725113 is a deficient number, since it is larger than the sum of its proper divisors (1).

725113 is an equidigital number, since it uses as much as digits as its factorization.

725113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210, while the sum is 19.

The square root of 725113 is about 851.5356715957. The cubic root of 725113 is about 89.8397560090.

It can be divided in two parts, 725 and 113, that added together give a palindrome (838).

The spelling of 725113 in words is "seven hundred twenty-five thousand, one hundred thirteen".