255475274 has 4 divisors (see below), whose sum is σ = 383212914. Its totient is φ = 127737636.

The previous prime is 255475243. The next prime is 255475289. The reversal of 255475274 is 472574552.

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

It can be written as a sum of positive squares in only one way, i.e., 235162225 + 20313049 = 15335^2 + 4507^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63868817 + ... + 63868820.

Almost surely, 2^255475274 is an apocalyptic number.

255475274 is a deficient number, since it is larger than the sum of its proper divisors (127737640).

255475274 is a wasteful number, since it uses less digits than its factorization.

255475274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127737639.

The product of its digits is 392000, while the sum is 41.

The square root of 255475274 is about 15983.5939012476. The cubic root of 255475274 is about 634.5262956019.

The spelling of 255475274 in words is "two hundred fifty-five million, four hundred seventy-five thousand, two hundred seventy-four".