256012606 has 16 divisors (see below), whose sum is σ = 390851424. Its totient is φ = 125743104.

The previous prime is 256012579. The next prime is 256012607. The reversal of 256012606 is 606210652.

It is a super-2 number, since 2×256012606² = 131084908861822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256012607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34111 + ... + 40933.

It is an arithmetic number, because the mean of its divisors is an integer number (24428214).

Almost surely, 2^256012606 is an apocalyptic number.

256012606 is a deficient number, since it is larger than the sum of its proper divisors (134838818).

256012606 is a wasteful number, since it uses less digits than its factorization.

256012606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155.

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

The square root of 256012606 is about 16000.3939326505. The cubic root of 256012606 is about 634.9708428962.

The spelling of 256012606 in words is "two hundred fifty-six million, twelve thousand, six hundred six".