256241459 has 16 divisors (see below), whose sum is σ = 284456448. Its totient is φ = 229587072.

The previous prime is 256241449. The next prime is 256241471. The reversal of 256241459 is 954142652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 256241459 - 2⁸ = 256241203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256241449) 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, 87314 + ... + 90200.

It is an arithmetic number, because the mean of its divisors is an integer number (17778528).

Almost surely, 2^256241459 is an apocalyptic number.

256241459 is a deficient number, since it is larger than the sum of its proper divisors (28214989).

256241459 is a wasteful number, since it uses less digits than its factorization.

256241459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154.

The product of its digits is 86400, while the sum is 38.

The square root of 256241459 is about 16007.5438153391. The cubic root of 256241459 is about 635.1599894470.

The spelling of 256241459 in words is "two hundred fifty-six million, two hundred forty-one thousand, four hundred fifty-nine".