5211539 has 2 divisors, whose sum is σ = 5211540. Its totient is φ = 5211538.

The previous prime is 5211523. The next prime is 5211541. The reversal of 5211539 is 9351125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211539 - 2⁴ = 5211523 is a prime.

It is a Sophie Germain prime.

Together with 5211541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5211509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605769 + 2605770.

It is an arithmetic number, because the mean of its divisors is an integer number (2605770).

Almost surely, 2^5211539 is an apocalyptic number.

5211539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211539 is an equidigital number, since it uses as much as digits as its factorization.

5211539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 5211539 is about 2282.8795412811. The cubic root of 5211539 is about 173.3758742560.

The spelling of 5211539 in words is "five million, two hundred eleven thousand, five hundred thirty-nine".