5421213 has 36 divisors (see below), whose sum is σ = 9603360. Its totient is φ = 2930256.

The previous prime is 5421209. The next prime is 5421263. The reversal of 5421213 is 3121245.

5421213 is a `hidden beast` number, since 542 + 121 + 3 = 666.

It is not a de Polignac number, because 5421213 - 2² = 5421209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421263) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8056 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

Almost surely, 2^5421213 is an apocalyptic number.

It is an amenable number.

5421213 is a deficient number, since it is larger than the sum of its proper divisors (4182147).

5421213 is a wasteful number, since it uses less digits than its factorization.

5421213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5421213 is about 2328.3498448472. The cubic root of 5421213 is about 175.6704944554.

Adding to 5421213 its reverse (3121245), we get a palindrome (8542458).

Subtracting from 5421213 its reverse (3121245), we obtain a cube (2299968 = 132³).

The spelling of 5421213 in words is "five million, four hundred twenty-one thousand, two hundred thirteen".