5671513 has 2 divisors, whose sum is σ = 5671514. Its totient is φ = 5671512.

The previous prime is 5671511. The next prime is 5671517. The reversal of 5671513 is 3151765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5438224 + 233289 = 2332^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 5671513 - 2¹ = 5671511 is a prime.

Together with 5671511, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5671511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835756 + 2835757.

It is an arithmetic number, because the mean of its divisors is an integer number (2835757).

Almost surely, 2^5671513 is an apocalyptic number.

It is an amenable number.

5671513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671513 is an equidigital number, since it uses as much as digits as its factorization.

5671513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 5671513 is about 2381.4938589045. The cubic root of 5671513 is about 178.3335181140. Note that the first 3 decimals are identical.

It can be divided in two parts, 567 and 1513, that added together give a triangular number (2080 = T₆₄).

The spelling of 5671513 in words is "five million, six hundred seventy-one thousand, five hundred thirteen".