256201030 has 16 divisors (see below), whose sum is σ = 464259600. Its totient is φ = 101792032.

The previous prime is 256201021. The next prime is 256201031. The reversal of 256201030 is 30102652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 256200989 and 256201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84484 + ... + 87463.

It is an arithmetic number, because the mean of its divisors is an integer number (29016225).

Almost surely, 2^256201030 is an apocalyptic number.

256201030 is a deficient number, since it is larger than the sum of its proper divisors (208058570).

256201030 is a wasteful number, since it uses less digits than its factorization.

256201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172103.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 256201030 is about 16006.2809546753. The cubic root of 256201030 is about 635.1265831513.

Adding to 256201030 its reverse (30102652), we get a palindrome (286303682).

The spelling of 256201030 in words is "two hundred fifty-six million, two hundred one thousand, thirty".