256454654 has 8 divisors (see below), whose sum is σ = 392866848. Its totient is φ = 125499040.

The previous prime is 256454629. The next prime is 256454677. The reversal of 256454654 is 456454652.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364027 + ... + 1364214.

It is an arithmetic number, because the mean of its divisors is an integer number (49108356).

Almost surely, 2^256454654 is an apocalyptic number.

256454654 is a deficient number, since it is larger than the sum of its proper divisors (136412194).

256454654 is a wasteful number, since it uses less digits than its factorization.

256454654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728290.

The product of its digits is 576000, while the sum is 41.

The square root of 256454654 is about 16014.2016347990. The cubic root of 256454654 is about 635.3360933933.

The spelling of 256454654 in words is "two hundred fifty-six million, four hundred fifty-four thousand, six hundred fifty-four".