43253242 has 4 divisors (see below), whose sum is σ = 64879866. Its totient is φ = 21626620.

The previous prime is 43253233. The next prime is 43253251. The reversal of 43253242 is 24235234.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (43253233) and next prime (43253251).

It can be written as a sum of positive squares in only one way, i.e., 32501401 + 10751841 = 5701^2 + 3279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10813309 + ... + 10813312.

Almost surely, 2^43253242 is an apocalyptic number.

43253242 is a deficient number, since it is larger than the sum of its proper divisors (21626624).

43253242 is a wasteful number, since it uses less digits than its factorization.

43253242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21626623.

The product of its digits is 5760, while the sum is 25.

The square root of 43253242 is about 6576.7196990597. The cubic root of 43253242 is about 351.0262180669.

Adding to 43253242 its reverse (24235234), we get a palindrome (67488476).

The spelling of 43253242 in words is "forty-three million, two hundred fifty-three thousand, two hundred forty-two".