4142505 has 32 divisors (see below), whose sum is σ = 6998400. Its totient is φ = 2089472.

The previous prime is 4142497. The next prime is 4142519. The reversal of 4142505 is 5052414.

It is a cyclic number.

It is not a de Polignac number, because 4142505 - 2³ = 4142497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38662 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

Almost surely, 2^4142505 is an apocalyptic number.

It is an amenable number.

4142505 is a deficient number, since it is larger than the sum of its proper divisors (2855895).

4142505 is a wasteful number, since it uses less digits than its factorization.

4142505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4142505 is about 2035.3144720165. The cubic root of 4142505 is about 160.6032565056.

Adding to 4142505 its reverse (5052414), we get a palindrome (9194919).

Subtracting 4142505 from its reverse (5052414), we obtain a palindrome (909909).

The spelling of 4142505 in words is "four million, one hundred forty-two thousand, five hundred five".