256054073 has 8 divisors (see below), whose sum is σ = 285275520. Its totient is φ = 227823280.

The previous prime is 256054069. The next prime is 256054109. The reversal of 256054073 is 370450652.

256054073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 256054073 - 2² = 256054069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256054033) 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, 247118 + ... + 248151.

It is an arithmetic number, because the mean of its divisors is an integer number (35659440).

Almost surely, 2^256054073 is an apocalyptic number.

It is an amenable number.

256054073 is a deficient number, since it is larger than the sum of its proper divisors (29221447).

256054073 is a wasteful number, since it uses less digits than its factorization.

256054073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495327.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 256054073 is about 16001.6896920294. The cubic root of 256054073 is about 635.0051236489.

The spelling of 256054073 in words is "two hundred fifty-six million, fifty-four thousand, seventy-three".