254974842 has 12 divisors (see below), whose sum is σ = 552445530. Its totient is φ = 84991608.

The previous prime is 254974831. The next prime is 254974843. The reversal of 254974842 is 248479452.

It can be written as a sum of positive squares in only one way, i.e., 171636201 + 83338641 = 13101^2 + 9129^2 .

It is not an unprimeable number, because it can be changed into a prime (254974843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7082617 + ... + 7082652.

Almost surely, 2^254974842 is an apocalyptic number.

254974842 is an abundant number, since it is smaller than the sum of its proper divisors (297470688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254974842 is a wasteful number, since it uses less digits than its factorization.

254974842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165277 (or 14165274 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 254974842 is about 15967.9316757055. The cubic root of 254974842 is about 634.1117155949. Note that the first 3 decimals are identical.

The spelling of 254974842 in words is "two hundred fifty-four million, nine hundred seventy-four thousand, eight hundred forty-two".