256462841 has 2 divisors, whose sum is σ = 256462842. Its totient is φ = 256462840.

The previous prime is 256462819. The next prime is 256462853. The reversal of 256462841 is 148264652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 108597241 = 12160^2 + 10421^2 .

It is a cyclic number.

It is not a de Polignac number, because 256462841 - 2¹⁴ = 256446457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256462795 and 256462804.

It is not a weakly prime, because it can be changed into another prime (256462861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128231420 + 128231421.

It is an arithmetic number, because the mean of its divisors is an integer number (128231421).

Almost surely, 2^256462841 is an apocalyptic number.

It is an amenable number.

256462841 is a deficient number, since it is larger than the sum of its proper divisors (1).

256462841 is an equidigital number, since it uses as much as digits as its factorization.

256462841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 38.

The square root of 256462841 is about 16014.4572496229. The cubic root of 256462841 is about 635.3428540963.

The spelling of 256462841 in words is "two hundred fifty-six million, four hundred sixty-two thousand, eight hundred forty-one".