4142587 has 4 divisors (see below), whose sum is σ = 4160160. Its totient is φ = 4125016.

The previous prime is 4142573. The next prime is 4142591. The reversal of 4142587 is 7852414.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4142587 is a prime.

It is a super-2 number, since 2×4142587² = 34322054105138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142087) 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, 8428 + ... + 8905.

It is an arithmetic number, because the mean of its divisors is an integer number (1040040).

Almost surely, 2^4142587 is an apocalyptic number.

4142587 is a deficient number, since it is larger than the sum of its proper divisors (17573).

4142587 is a wasteful number, since it uses less digits than its factorization.

4142587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17572.

The product of its digits is 8960, while the sum is 31.

The square root of 4142587 is about 2035.3346162241. The cubic root of 4142587 is about 160.6043162009.

The spelling of 4142587 in words is "four million, one hundred forty-two thousand, five hundred eighty-seven".