5211644 has 6 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 2605820.

The previous prime is 5211641. The next prime is 5211659. The reversal of 5211644 is 4461125.

It is a super-2 number, since 2×5211644² = 54322466365472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651452 + ... + 651459.

It is an arithmetic number, because the mean of its divisors is an integer number (1520064).

Almost surely, 2^5211644 is an apocalyptic number.

It is an amenable number.

5211644 is a deficient number, since it is larger than the sum of its proper divisors (3908740).

5211644 is a wasteful number, since it uses less digits than its factorization.

5211644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302915 (or 1302913 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 5211644 is about 2282.9025384365. The cubic root of 5211644 is about 173.3770386174.

Adding to 5211644 its reverse (4461125), we get a palindrome (9672769).

The spelling of 5211644 in words is "five million, two hundred eleven thousand, six hundred forty-four".