256452254 has 32 divisors (see below), whose sum is σ = 417130560. Its totient is φ = 117925632.

The previous prime is 256452247. The next prime is 256452271. The reversal of 256452254 is 452254652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150632 + ... + 152324.

It is an arithmetic number, because the mean of its divisors is an integer number (13035330).

Almost surely, 2^256452254 is an apocalyptic number.

256452254 is a deficient number, since it is larger than the sum of its proper divisors (160678306).

256452254 is a wasteful number, since it uses less digits than its factorization.

256452254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its digits is 96000, while the sum is 35.

The square root of 256452254 is about 16014.1267011348. The cubic root of 256452254 is about 635.3341114817.

The spelling of 256452254 in words is "two hundred fifty-six million, four hundred fifty-two thousand, two hundred fifty-four".