255474242 has 8 divisors (see below), whose sum is σ = 386602956. Its totient is φ = 126606592.

The previous prime is 255474221. The next prime is 255474277. The reversal of 255474242 is 242474552.

255474242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 248976841 + 6497401 = 15779^2 + 2549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564983 + ... + 565434.

Almost surely, 2^255474242 is an apocalyptic number.

255474242 is a deficient number, since it is larger than the sum of its proper divisors (131128714).

255474242 is a wasteful number, since it uses less digits than its factorization.

255474242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130532.

The product of its digits is 89600, while the sum is 35.

The square root of 255474242 is about 15983.5616181125. The cubic root of 255474242 is about 634.5254412047.

The spelling of 255474242 in words is "two hundred fifty-five million, four hundred seventy-four thousand, two hundred forty-two".