4142052505 has 8 divisors (see below), whose sum is σ = 5104800072. Its totient is φ = 3224083968.

The previous prime is 4142052491. The next prime is 4142052517. The reversal of 4142052505 is 5052502414.

It can be written as a sum of positive squares in 4 ways, for example, as 2530190601 + 1611861904 = 50301^2 + 40148^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4142052505 - 2¹¹ = 4142050457 is a prime.

It is a Duffinian number.

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, 11194552 + ... + 11194921.

It is an arithmetic number, because the mean of its divisors is an integer number (638100009).

Almost surely, 2^4142052505 is an apocalyptic number.

It is an amenable number.

4142052505 is a deficient number, since it is larger than the sum of its proper divisors (962747567).

4142052505 is a wasteful number, since it uses less digits than its factorization.

4142052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389515.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4142052505 is about 64358.7795487143. The cubic root of 4142052505 is about 1605.9740860943.

Adding to 4142052505 its reverse (5052502414), we get a palindrome (9194554919).

The spelling of 4142052505 in words is "four billion, one hundred forty-two million, fifty-two thousand, five hundred five".