256650741 has 8 divisors (see below), whose sum is σ = 380223360. Its totient is φ = 171100476.

The previous prime is 256650739. The next prime is 256650769. The reversal of 256650741 is 147056652.

It is a happy number.

256650741 is a `hidden beast` number, since 2 + 566 + 50 + 7 + 41 = 666.

It is not a de Polignac number, because 256650741 - 2¹ = 256650739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256650696 and 256650705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256650041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752765 + ... + 4752818.

It is an arithmetic number, because the mean of its divisors is an integer number (47527920).

Almost surely, 2^256650741 is an apocalyptic number.

It is an amenable number.

256650741 is a deficient number, since it is larger than the sum of its proper divisors (123572619).

256650741 is an equidigital number, since it uses as much as digits as its factorization.

256650741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505592 (or 9505586 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 256650741 is about 16020.3227495578. The cubic root of 256650741 is about 635.4979795958.

The spelling of 256650741 in words is "two hundred fifty-six million, six hundred fifty thousand, seven hundred forty-one".