725863 has 2 divisors, whose sum is σ = 725864. Its totient is φ = 725862.

The previous prime is 725861. The next prime is 725867. The reversal of 725863 is 368527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725863 - 2¹ = 725861 is a prime.

Together with 725861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362931 + 362932.

It is an arithmetic number, because the mean of its divisors is an integer number (362932).

2⁷²⁵⁸⁶³ is an apocalyptic number.

725863 is a deficient number, since it is larger than the sum of its proper divisors (1).

725863 is an equidigital number, since it uses as much as digits as its factorization.

725863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 725863 is about 851.9759386274. The cubic root of 725863 is about 89.8707197344.

The spelling of 725863 in words is "seven hundred twenty-five thousand, eight hundred sixty-three".