43213042 has 8 divisors (see below), whose sum is σ = 64847916. Its totient is φ = 21597072.

The previous prime is 43213033. The next prime is 43213061. The reversal of 43213042 is 24031234.

It can be written as a sum of positive squares in 2 ways, for example, as 36132121 + 7080921 = 6011^2 + 2661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4968 + ... + 10540.

Almost surely, 2^43213042 is an apocalyptic number.

43213042 is a deficient number, since it is larger than the sum of its proper divisors (21634874).

43213042 is a wasteful number, since it uses less digits than its factorization.

43213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43213042 is about 6573.6627537470. The cubic root of 43213042 is about 350.9174352544.

Adding to 43213042 its reverse (24031234), we get a palindrome (67244276).

The spelling of 43213042 in words is "forty-three million, two hundred thirteen thousand, forty-two".