4133287 has 4 divisors (see below), whose sum is σ = 4173520. Its totient is φ = 4093056.

The previous prime is 4133273. The next prime is 4133293. The reversal of 4133287 is 7823314.

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-4133287 is a prime.

It is a super-2 number, since 2×4133287² = 34168122848738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19962 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (1043380).

Almost surely, 2^4133287 is an apocalyptic number.

4133287 is a deficient number, since it is larger than the sum of its proper divisors (40233).

4133287 is a wasteful number, since it uses less digits than its factorization.

4133287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40232.

The product of its digits is 4032, while the sum is 28.

The square root of 4133287 is about 2033.0486959244. The cubic root of 4133287 is about 160.4840419818.

It can be divided in two parts, 413 and 3287, that multiplied together give a palindrome (1357531).

The spelling of 4133287 in words is "four million, one hundred thirty-three thousand, two hundred eighty-seven".