4538133 has 16 divisors (see below), whose sum is σ = 7119360. Its totient is φ = 2847168.

The previous prime is 4538129. The next prime is 4538137. The reversal of 4538133 is 3318354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4538129) and next prime (4538137).

It is not a de Polignac number, because 4538133 - 2² = 4538129 is a prime.

It is a super-2 number, since 2×4538133² = 41189302251378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4538097 and 4538106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538137) 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, 4485 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (444960).

Almost surely, 2^4538133 is an apocalyptic number.

It is an amenable number.

4538133 is a deficient number, since it is larger than the sum of its proper divisors (2581227).

4538133 is a wasteful number, since it uses less digits than its factorization.

4538133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913 (or 9907 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4538133 is about 2130.2894169572. The cubic root of 4538133 is about 165.5613935418.

The spelling of 4538133 in words is "four million, five hundred thirty-eight thousand, one hundred thirty-three".