4511987 has 16 divisors (see below), whose sum is σ = 5133600. Its totient is φ = 3939840.

The previous prime is 4511971. The next prime is 4511989. The reversal of 4511987 is 7891154.

It is not a de Polignac number, because 4511987 - 2⁴ = 4511971 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19589 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (320850).

Almost surely, 2^4511987 is an apocalyptic number.

4511987 is a deficient number, since it is larger than the sum of its proper divisors (621613).

4511987 is a wasteful number, since it uses less digits than its factorization.

4511987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 10080, while the sum is 35.

The square root of 4511987 is about 2124.1438275220. The cubic root of 4511987 is about 165.2428258135.

The spelling of 4511987 in words is "four million, five hundred eleven thousand, nine hundred eighty-seven".