254947459 has 4 divisors (see below), whose sum is σ = 274558816. Its totient is φ = 235336104.

The previous prime is 254947417. The next prime is 254947481. The reversal of 254947459 is 954749452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254947459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254947409) 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, 9805659 + ... + 9805684.

It is an arithmetic number, because the mean of its divisors is an integer number (68639704).

Almost surely, 2^254947459 is an apocalyptic number.

254947459 is a deficient number, since it is larger than the sum of its proper divisors (19611357).

254947459 is a wasteful number, since it uses less digits than its factorization.

254947459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611356.

The product of its digits is 1814400, while the sum is 49.

The square root of 254947459 is about 15967.0742153971. The cubic root of 254947459 is about 634.0890146588.

The spelling of 254947459 in words is "two hundred fifty-four million, nine hundred forty-seven thousand, four hundred fifty-nine".