256212316 has 12 divisors (see below), whose sum is σ = 448789432. Its totient is φ = 127986768.

The previous prime is 256212311. The next prime is 256212317. The reversal of 256212316 is 613212652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24930 + ... + 33673.

Almost surely, 2^256212316 is an apocalyptic number.

It is an amenable number.

256212316 is a deficient number, since it is larger than the sum of its proper divisors (192577116).

256212316 is a wasteful number, since it uses less digits than its factorization.

256212316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59700 (or 59698 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 256212316 is about 16006.6334998962. The cubic root of 256212316 is about 635.1359090745.

Adding to 256212316 its reverse (613212652), we get a palindrome (869424968).

It can be divided in two parts, 2562 and 12316, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 256212316 in words is "two hundred fifty-six million, two hundred twelve thousand, three hundred sixteen".