5671511 has 2 divisors, whose sum is σ = 5671512. Its totient is φ = 5671510.

The previous prime is 5671507. The next prime is 5671513. The reversal of 5671511 is 1151765.

5671511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5671511 - 2² = 5671507 is a prime.

Together with 5671513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5671513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835755 + 2835756.

It is an arithmetic number, because the mean of its divisors is an integer number (2835756).

Almost surely, 2^5671511 is an apocalyptic number.

5671511 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671511 is an equidigital number, since it uses as much as digits as its factorization.

5671511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 26.

The square root of 5671511 is about 2381.4934390000. The cubic root of 5671511 is about 178.3334971515. Note that the first 3 decimals are identical.

The spelling of 5671511 in words is "five million, six hundred seventy-one thousand, five hundred eleven".