256036463 has 4 divisors (see below), whose sum is σ = 256336080. Its totient is φ = 255736848.

The previous prime is 256036441. The next prime is 256036489. The reversal of 256036463 is 364630652.

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

It is a cyclic number.

It is not a de Polignac number, because 256036463 - 2⁶ = 256036399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256036433) 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 3 ways as a sum of consecutive naturals, for example, 148523 + ... + 150236.

It is an arithmetic number, because the mean of its divisors is an integer number (64084020).

Almost surely, 2^256036463 is an apocalyptic number.

256036463 is a deficient number, since it is larger than the sum of its proper divisors (299617).

256036463 is an equidigital number, since it uses as much as digits as its factorization.

256036463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299616.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 256036463 is about 16001.1394281782. The cubic root of 256036463 is about 634.9905659210.

The spelling of 256036463 in words is "two hundred fifty-six million, thirty-six thousand, four hundred sixty-three".