256463299 has 4 divisors (see below), whose sum is σ = 256811080. Its totient is φ = 256115520.

The previous prime is 256463293. The next prime is 256463303. The reversal of 256463299 is 992364652.

256463299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 256463299 - 2¹³ = 256455107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256463293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172782 + ... + 174259.

It is an arithmetic number, because the mean of its divisors is an integer number (64202770).

Almost surely, 2^256463299 is an apocalyptic number.

256463299 is a deficient number, since it is larger than the sum of its proper divisors (347781).

256463299 is an equidigital number, since it uses as much as digits as its factorization.

256463299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347780.

The product of its digits is 699840, while the sum is 46.

The square root of 256463299 is about 16014.4715491957. The cubic root of 256463299 is about 635.3432323017.

The spelling of 256463299 in words is "two hundred fifty-six million, four hundred sixty-three thousand, two hundred ninety-nine".