255243074 has 8 divisors (see below), whose sum is σ = 403015440. Its totient is φ = 120904596.

The previous prime is 255243067. The next prime is 255243089. The reversal of 255243074 is 470342552.

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

It is a self number, because there is not a number n which added to its sum of digits gives 255243074.

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, 3358424 + ... + 3358499.

It is an arithmetic number, because the mean of its divisors is an integer number (50376930).

Almost surely, 2^255243074 is an apocalyptic number.

255243074 is a deficient number, since it is larger than the sum of its proper divisors (147772366).

255243074 is a wasteful number, since it uses less digits than its factorization.

255243074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716944.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 255243074 is about 15976.3285519546. The cubic root of 255243074 is about 634.3339982365. Note that the first 3 decimals are identical.

The spelling of 255243074 in words is "two hundred fifty-five million, two hundred forty-three thousand, seventy-four".