256463229 has 16 divisors (see below), whose sum is σ = 373711680. Its totient is φ = 155151360.

The previous prime is 256463219. The next prime is 256463231. The reversal of 256463229 is 922364652.

It is not a de Polignac number, because 256463229 - 2¹⁷ = 256332157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256463219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12307 + ... + 25775.

It is an arithmetic number, because the mean of its divisors is an integer number (23356980).

Almost surely, 2^256463229 is an apocalyptic number.

It is an amenable number.

256463229 is a deficient number, since it is larger than the sum of its proper divisors (117248451).

256463229 is a wasteful number, since it uses less digits than its factorization.

256463229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060.

The product of its digits is 155520, while the sum is 39.

The square root of 256463229 is about 16014.4693636723. The cubic root of 256463229 is about 635.3431744974.

The spelling of 256463229 in words is "two hundred fifty-six million, four hundred sixty-three thousand, two hundred twenty-nine".