512542141 has 4 divisors (see below), whose sum is σ = 512770300. Its totient is φ = 512313984.

The previous prime is 512542139. The next prime is 512542153. The reversal of 512542141 is 141245215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26163225 + 486378916 = 5115^2 + 22054^2 .

It is a cyclic number.

It is not a de Polignac number, because 512542141 - 2¹ = 512542139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516542141) 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 3 ways as a sum of consecutive naturals, for example, 110676 + ... + 115213.

It is an arithmetic number, because the mean of its divisors is an integer number (128192575).

Almost surely, 2^512542141 is an apocalyptic number.

It is an amenable number.

512542141 is a deficient number, since it is larger than the sum of its proper divisors (228159).

512542141 is a wasteful number, since it uses less digits than its factorization.

512542141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228158.

The product of its digits is 1600, while the sum is 25.

The square root of 512542141 is about 22639.3935651996. The cubic root of 512542141 is about 800.2822655002.

Adding to 512542141 its reverse (141245215), we get a palindrome (653787356).

The spelling of 512542141 in words is "five hundred twelve million, five hundred forty-two thousand, one hundred forty-one".