255042531 has 6 divisors (see below), whose sum is σ = 368394780. Its totient is φ = 170028348.

The previous prime is 255042527. The next prime is 255042553. The reversal of 255042531 is 135240552.

It is a happy number.

It is not a de Polignac number, because 255042531 - 2² = 255042527 is a prime.

It is a super-2 number, since 2×255042531² = 130093385237771922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255042495 and 255042504.

It is not an unprimeable number, because it can be changed into a prime (255042521) 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, 14169021 + ... + 14169038.

It is an arithmetic number, because the mean of its divisors is an integer number (61399130).

Almost surely, 2^255042531 is an apocalyptic number.

255042531 is a deficient number, since it is larger than the sum of its proper divisors (113352249).

255042531 is a wasteful number, since it uses less digits than its factorization.

255042531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28338065 (or 28338062 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255042531 is about 15970.0510644143. The cubic root of 255042531 is about 634.1678238628.

The spelling of 255042531 in words is "two hundred fifty-five million, forty-two thousand, five hundred thirty-one".