2637671 has 2 divisors, whose sum is σ = 2637672. Its totient is φ = 2637670.

The previous prime is 2637667. The next prime is 2637673. The reversal of 2637671 is 1767362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2637671 - 2² = 2637667 is a prime.

Together with 2637673, 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 (2637673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318835 + 1318836.

It is an arithmetic number, because the mean of its divisors is an integer number (1318836).

2^2637671 is an apocalyptic number.

2637671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2637671 is an equidigital number, since it uses as much as digits as its factorization.

2637671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 2637671 is about 1624.0908225835. The cubic root of 2637671 is about 138.1678102800.

The spelling of 2637671 in words is "two million, six hundred thirty-seven thousand, six hundred seventy-one".