254784953 has 4 divisors (see below), whose sum is σ = 257411700. Its totient is φ = 252158208.

The previous prime is 254784949. The next prime is 254784977. The reversal of 254784953 is 359487452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49378729 + 205406224 = 7027^2 + 14332^2 .

It is a cyclic number.

It is not a de Polignac number, because 254784953 - 2² = 254784949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254784898 and 254784907.

It is not an unprimeable number, because it can be changed into a prime (254784653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313228 + ... + 1313421.

It is an arithmetic number, because the mean of its divisors is an integer number (64352925).

Almost surely, 2^254784953 is an apocalyptic number.

It is an amenable number.

254784953 is a deficient number, since it is larger than the sum of its proper divisors (2626747).

254784953 is an equidigital number, since it uses as much as digits as its factorization.

254784953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626746.

The product of its digits is 1209600, while the sum is 47.

The square root of 254784953 is about 15961.9846197144. The cubic root of 254784953 is about 633.9542611804.

The spelling of 254784953 in words is "two hundred fifty-four million, seven hundred eighty-four thousand, nine hundred fifty-three".