5629649 has 2 divisors, whose sum is σ = 5629650. Its totient is φ = 5629648.

The previous prime is 5629627. The next prime is 5629651. The reversal of 5629649 is 9469265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 1500625 = 2032^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 5629649 - 2¹² = 5625553 is a prime.

Together with 5629651, 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 (5629609) 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, 2814824 + 2814825.

It is an arithmetic number, because the mean of its divisors is an integer number (2814825).

Almost surely, 2^5629649 is an apocalyptic number.

It is an amenable number.

5629649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5629649 is an equidigital number, since it uses as much as digits as its factorization.

5629649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 5629649 is about 2372.6881379566. The cubic root of 5629649 is about 177.8936472792.

Adding to 5629649 its sum of digits (41), we get a triangular number (5629690 = T₃₃₅₅).

The spelling of 5629649 in words is "five million, six hundred twenty-nine thousand, six hundred forty-nine".