43245213 has 16 divisors (see below), whose sum is σ = 63464256. Its totient is φ = 25975040.

The previous prime is 43245211. The next prime is 43245239. The reversal of 43245213 is 31254234.

It is a cyclic number.

It is not a de Polignac number, because 43245213 - 2¹ = 43245211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (3966516).

Almost surely, 2^43245213 is an apocalyptic number.

It is an amenable number.

43245213 is a deficient number, since it is larger than the sum of its proper divisors (20219043).

43245213 is a wasteful number, since it uses less digits than its factorization.

43245213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724.

The product of its digits is 2880, while the sum is 24.

The square root of 43245213 is about 6576.1092600412. The cubic root of 43245213 is about 351.0044966591.

Adding to 43245213 its reverse (31254234), we get a palindrome (74499447).

The spelling of 43245213 in words is "forty-three million, two hundred forty-five thousand, two hundred thirteen".