505142535 has 16 divisors (see below), whose sum is σ = 816562656. Its totient is φ = 266631168.

The previous prime is 505142497. The next prime is 505142581. The reversal of 505142535 is 535241505.

It is a happy number.

It is not a de Polignac number, because 505142535 - 2¹¹ = 505140487 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 172134 + ... + 175043.

It is an arithmetic number, because the mean of its divisors is an integer number (51035166).

Almost surely, 2^505142535 is an apocalyptic number.

505142535 is a deficient number, since it is larger than the sum of its proper divisors (311420121).

505142535 is a wasteful number, since it uses less digits than its factorization.

505142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347282.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 505142535 is about 22475.3761926247. The cubic root of 505142535 is about 796.4123385535.

It can be divided in two parts, 5051 and 42535, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 505142535 in words is "five hundred five million, one hundred forty-two thousand, five hundred thirty-five".