256951941 has 8 divisors (see below), whose sum is σ = 343936704. Its totient is φ = 170634240.

The previous prime is 256951927. The next prime is 256951997. The reversal of 256951941 is 149159652.

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

It is not a de Polignac number, because 256951941 - 2⁵ = 256951909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256951893 and 256951902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256941941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165865 + ... + 167406.

It is an arithmetic number, because the mean of its divisors is an integer number (42992088).

Almost surely, 2^256951941 is an apocalyptic number.

It is an amenable number.

256951941 is a deficient number, since it is larger than the sum of its proper divisors (86984763).

256951941 is a wasteful number, since it uses less digits than its factorization.

256951941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333531.

The product of its digits is 97200, while the sum is 42.

The square root of 256951941 is about 16029.7205527732. The cubic root of 256951941 is about 635.7464848348.

The spelling of 256951941 in words is "two hundred fifty-six million, nine hundred fifty-one thousand, nine hundred forty-one".