720259 has 4 divisors (see below), whose sum is σ = 722016. Its totient is φ = 718504.

The previous prime is 720257. The next prime is 720281. The reversal of 720259 is 952027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952027 = 61 ⋅15607.

It is a cyclic number.

It is not a de Polignac number, because 720259 - 2¹ = 720257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 1204.

It is an arithmetic number, because the mean of its divisors is an integer number (180504).

2⁷²⁰²⁵⁹ is an apocalyptic number.

720259 is a deficient number, since it is larger than the sum of its proper divisors (1757).

720259 is a wasteful number, since it uses less digits than its factorization.

720259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 720259 is about 848.6807409150. The cubic root of 720259 is about 89.6388407152.

It can be divided in two parts, 720 and 259, that added together give a palindrome (979).

The spelling of 720259 in words is "seven hundred twenty thousand, two hundred fifty-nine".