5215641 has 16 divisors (see below), whose sum is σ = 7309440. Its totient is φ = 3301760.

The previous prime is 5215619. The next prime is 5215643. The reversal of 5215641 is 1465125.

It is a cyclic number.

It is not a de Polignac number, because 5215641 - 2¹⁹ = 4691353 is a prime.

It is a super-2 number, since 2×5215641² = 54405822081762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5215643) 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 15 ways as a sum of consecutive naturals, for example, 18421 + ... + 18701.

It is an arithmetic number, because the mean of its divisors is an integer number (456840).

Almost surely, 2^5215641 is an apocalyptic number.

It is an amenable number.

5215641 is a deficient number, since it is larger than the sum of its proper divisors (2093799).

5215641 is a wasteful number, since it uses less digits than its factorization.

5215641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its digits is 1200, while the sum is 24.

The square root of 5215641 is about 2283.7777912923. Note that the first 4 decimals coincide. The cubic root of 5215641 is about 173.4213503508.

The spelling of 5215641 in words is "five million, two hundred fifteen thousand, six hundred forty-one".