43013253 has 16 divisors (see below), whose sum is σ = 58256000. Its totient is φ = 28226880.

The previous prime is 43013237. The next prime is 43013309. The reversal of 43013253 is 35231034.

It is not a de Polignac number, because 43013253 - 2⁴ = 43013237 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 (43013233) 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, 64743 + ... + 65403.

It is an arithmetic number, because the mean of its divisors is an integer number (3641000).

Almost surely, 2^43013253 is an apocalyptic number.

It is an amenable number.

43013253 is a deficient number, since it is larger than the sum of its proper divisors (15242747).

43013253 is a wasteful number, since it uses less digits than its factorization.

43013253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 43013253 is about 6558.4489782265. The cubic root of 43013253 is about 350.3757950039.

Adding to 43013253 its reverse (35231034), we get a palindrome (78244287).

The spelling of 43013253 in words is "forty-three million, thirteen thousand, two hundred fifty-three".