256550467 has 4 divisors (see below), whose sum is σ = 260898840. Its totient is φ = 252202096.

The previous prime is 256550449. The next prime is 256550527. The reversal of 256550467 is 764055652.

256550467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256550467 - 2¹⁵ = 256517699 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256550167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174098 + ... + 2174215.

It is an arithmetic number, because the mean of its divisors is an integer number (65224710).

Almost surely, 2^256550467 is an apocalyptic number.

256550467 is a deficient number, since it is larger than the sum of its proper divisors (4348373).

256550467 is an equidigital number, since it uses as much as digits as its factorization.

256550467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348372.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 256550467 is about 16017.1928564277. The cubic root of 256550467 is about 635.4152053362.

The spelling of 256550467 in words is "two hundred fifty-six million, five hundred fifty thousand, four hundred sixty-seven".