5513239 has 2 divisors, whose sum is σ = 5513240. Its totient is φ = 5513238.

The previous prime is 5513237. The next prime is 5513243. The reversal of 5513239 is 9323155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5513239 - 2¹ = 5513237 is a prime.

It is a super-2 number, since 2×5513239² = 60791608542242, which contains 22 as substring.

Together with 5513237, it forms a pair of twin primes.

It is an Ulam number.

It is equal to p₃₈₁₆₃₇ and since 5513239 and 381637 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5513237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756619 + 2756620.

It is an arithmetic number, because the mean of its divisors is an integer number (2756620).

Almost surely, 2^5513239 is an apocalyptic number.

5513239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5513239 is an equidigital number, since it uses as much as digits as its factorization.

5513239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

The square root of 5513239 is about 2348.0287476945. The cubic root of 5513239 is about 176.6589344347.

The spelling of 5513239 in words is "five million, five hundred thirteen thousand, two hundred thirty-nine".