4212539 has 4 divisors (see below), whose sum is σ = 4216680. Its totient is φ = 4208400.

The previous prime is 4212529. The next prime is 4212557. The reversal of 4212539 is 9352124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4212539 - 2⁸ = 4212283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4212529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (1054170).

Almost surely, 2^4212539 is an apocalyptic number.

4212539 is a deficient number, since it is larger than the sum of its proper divisors (4141).

4212539 is a wasteful number, since it uses less digits than its factorization.

4212539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its digits is 2160, while the sum is 26.

The square root of 4212539 is about 2052.4470760534. The cubic root of 4212539 is about 161.5032668428.

The spelling of 4212539 in words is "four million, two hundred twelve thousand, five hundred thirty-nine".