256230205 has 48 divisors (see below), whose sum is σ = 409086720. Its totient is φ = 150289920.

The previous prime is 256230203. The next prime is 256230269. The reversal of 256230205 is 502032652.

It is not a de Polignac number, because 256230205 - 2¹ = 256230203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256230203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70216 + ... + 73774.

It is an arithmetic number, because the mean of its divisors is an integer number (8522640).

Almost surely, 2^256230205 is an apocalyptic number.

It is an amenable number.

256230205 is a deficient number, since it is larger than the sum of its proper divisors (152856515).

256230205 is a wasteful number, since it uses less digits than its factorization.

256230205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3599 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 256230205 is about 16007.1922897178. The cubic root of 256230205 is about 635.1506906718.

Adding to 256230205 its reverse (502032652), we get a palindrome (758262857).

The spelling of 256230205 in words is "two hundred fifty-six million, two hundred thirty thousand, two hundred five".