7534213 has 4 divisors (see below), whose sum is σ = 7977420. Its totient is φ = 7091008.

The previous prime is 7534193. The next prime is 7534243. The reversal of 7534213 is 3124357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3124357 = 701 ⋅4457.

It can be written as a sum of positive squares in 2 ways, for example, as 4919524 + 2614689 = 2218^2 + 1617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7534213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7534243) 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 3 ways as a sum of consecutive naturals, for example, 221578 + ... + 221611.

It is an arithmetic number, because the mean of its divisors is an integer number (1994355).

Almost surely, 2^7534213 is an apocalyptic number.

It is an amenable number.

7534213 is a deficient number, since it is larger than the sum of its proper divisors (443207).

7534213 is a wasteful number, since it uses less digits than its factorization.

7534213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443206.

The product of its digits is 2520, while the sum is 25.

The square root of 7534213 is about 2744.8520907328. The cubic root of 7534213 is about 196.0405736495.

It can be divided in two parts, 753421 and 3, that added together give a square (753424 = 868²).

The spelling of 7534213 in words is "seven million, five hundred thirty-four thousand, two hundred thirteen".