256030 has 8 divisors (see below), whose sum is σ = 460872. Its totient is φ = 102408.

The previous prime is 256021. The next prime is 256031. The reversal of 256030 is 30652.

256030 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 255995 and 256013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256031) 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, 12792 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (57609).

2²⁵⁶⁰³⁰ is an apocalyptic number.

256030 is a deficient number, since it is larger than the sum of its proper divisors (204842).

256030 is a wasteful number, since it uses less digits than its factorization.

256030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 256030 is about 505.9940711115. The cubic root of 256030 is about 63.4985222960.

Adding to 256030 its reverse (30652), we get a palindrome (286682).

The spelling of 256030 in words is "two hundred fifty-six thousand, thirty".