256472107 has 2 divisors, whose sum is σ = 256472108. Its totient is φ = 256472106.

The previous prime is 256472071. The next prime is 256472119. The reversal of 256472107 is 701274652.

Together with previous prime (256472071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256472107 - 2¹¹ = 256470059 is a prime.

It is not a weakly prime, because it can be changed into another prime (256472147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128236053 + 128236054.

It is an arithmetic number, because the mean of its divisors is an integer number (128236054).

Almost surely, 2^256472107 is an apocalyptic number.

256472107 is a deficient number, since it is larger than the sum of its proper divisors (1).

256472107 is an equidigital number, since it uses as much as digits as its factorization.

256472107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 256472107 is about 16014.7465481037. The cubic root of 256472107 is about 635.3505056479.

The spelling of 256472107 in words is "two hundred fifty-six million, four hundred seventy-two thousand, one hundred seven".