256064254 has 8 divisors (see below), whose sum is σ = 404312040. Its totient is φ = 121293576.

The previous prime is 256064243. The next prime is 256064261. The reversal of 256064254 is 452460652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369229 + ... + 3369304.

It is an arithmetic number, because the mean of its divisors is an integer number (50539005).

Almost surely, 2^256064254 is an apocalyptic number.

256064254 is a deficient number, since it is larger than the sum of its proper divisors (148247786).

256064254 is a wasteful number, since it uses less digits than its factorization.

256064254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738554.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 256064254 is about 16002.0078115217. The cubic root of 256064254 is about 635.0135397117.

The spelling of 256064254 in words is "two hundred fifty-six million, sixty-four thousand, two hundred fifty-four".