5213649 has 24 divisors (see below), whose sum is σ = 8372160. Its totient is φ = 2874144.

The previous prime is 5213639. The next prime is 5213671. The reversal of 5213649 is 9463125.

It is not a de Polignac number, because 5213649 - 2⁹ = 5213137 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5213629) 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 in 23 ways as a sum of consecutive naturals, for example, 3652 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

Almost surely, 2^5213649 is an apocalyptic number.

It is an amenable number.

5213649 is a deficient number, since it is larger than the sum of its proper divisors (3158511).

5213649 is a wasteful number, since it uses less digits than its factorization.

5213649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1262 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 5213649 is about 2283.3416301552. The cubic root of 5213649 is about 173.3992693756.

The spelling of 5213649 in words is "five million, two hundred thirteen thousand, six hundred forty-nine".