255042530 has 16 divisors (see below), whose sum is σ = 474907320. Its totient is φ = 98499072.

The previous prime is 255042527. The next prime is 255042553. The reversal of 255042530 is 35240552.

It can be written as a sum of positive squares in 4 ways, for example, as 236267641 + 18774889 = 15371^2 + 4333^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255042530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439439 + ... + 440018.

Almost surely, 2^255042530 is an apocalyptic number.

255042530 is a deficient number, since it is larger than the sum of its proper divisors (219864790).

255042530 is a wasteful number, since it uses less digits than its factorization.

255042530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879493.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 255042530 is about 15970.0510331057. The cubic root of 255042530 is about 634.1678230339.

The spelling of 255042530 in words is "two hundred fifty-five million, forty-two thousand, five hundred thirty".