256184041 has 4 divisors (see below), whose sum is σ = 263107972. Its totient is φ = 249260112.

The previous prime is 256184039. The next prime is 256184053. The reversal of 256184041 is 140481652.

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

It can be written as a sum of positive squares in 2 ways, for example, as 224880016 + 31304025 = 14996^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 256184041 - 2¹ = 256184039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256183994 and 256184012.

It is not an unprimeable number, because it can be changed into a prime (256884041) 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, 3461910 + ... + 3461983.

It is an arithmetic number, because the mean of its divisors is an integer number (65776993).

Almost surely, 2^256184041 is an apocalyptic number.

It is an amenable number.

256184041 is a deficient number, since it is larger than the sum of its proper divisors (6923931).

256184041 is an equidigital number, since it uses as much as digits as its factorization.

256184041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923930.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 256184041 is about 16005.7502479578. The cubic root of 256184041 is about 635.1125441705.

It can be divided in two parts, 256 and 184041, that multiplied together give a square (47114496 = 6864²).

The spelling of 256184041 in words is "two hundred fifty-six million, one hundred eighty-four thousand, forty-one".