4571213 has 4 divisors (see below), whose sum is σ = 4682748. Its totient is φ = 4459680.

The previous prime is 4571207. The next prime is 4571219. The reversal of 4571213 is 3121754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3121754 = 2 ⋅1560877.

It is an interprime number because it is at equal distance from previous prime (4571207) and next prime (4571219).

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 4338889 = 482^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 4571213 - 2¹² = 4567117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4571219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55706 + ... + 55787.

It is an arithmetic number, because the mean of its divisors is an integer number (1170687).

Almost surely, 2^4571213 is an apocalyptic number.

It is an amenable number.

4571213 is a deficient number, since it is larger than the sum of its proper divisors (111535).

4571213 is a wasteful number, since it uses less digits than its factorization.

4571213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111534.

The product of its digits is 840, while the sum is 23.

The square root of 4571213 is about 2138.0395225533. The cubic root of 4571213 is about 165.9626978651.

Adding to 4571213 its reverse (3121754), we get a palindrome (7692967).

The spelling of 4571213 in words is "four million, five hundred seventy-one thousand, two hundred thirteen".