5213645 has 16 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 3873024.

The previous prime is 5213639. The next prime is 5213671. The reversal of 5213645 is 5463125.

It is a cyclic number.

It is not a de Polignac number, because 5213645 - 2⁴ = 5213629 is a prime.

It is a super-3 number, since 3×5213645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6686 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^5213645 is an apocalyptic number.

It is an amenable number.

5213645 is a deficient number, since it is larger than the sum of its proper divisors (1499635).

5213645 is a wasteful number, since it uses less digits than its factorization.

5213645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 3600, while the sum is 26.

The square root of 5213645 is about 2283.3407542458. The cubic root of 5213645 is about 173.3992250306.

The spelling of 5213645 in words is "five million, two hundred thirteen thousand, six hundred forty-five".