5649311 has 2 divisors, whose sum is σ = 5649312. Its totient is φ = 5649310.

The previous prime is 5649307. The next prime is 5649317. The reversal of 5649311 is 1139465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5649311 - 2² = 5649307 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824655 + 2824656.

It is an arithmetic number, because the mean of its divisors is an integer number (2824656).

Almost surely, 2^5649311 is an apocalyptic number.

5649311 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649311 is an equidigital number, since it uses as much as digits as its factorization.

5649311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 5649311 is about 2376.8279281429. The cubic root of 5649311 is about 178.1005092419.

The spelling of 5649311 in words is "five million, six hundred forty-nine thousand, three hundred eleven".