43415252 has 24 divisors (see below), whose sum is σ = 78731520. Its totient is φ = 20926080.

The previous prime is 43415249. The next prime is 43415257. The reversal of 43415252 is 25251434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43415257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42524 + ... + 43532.

It is an arithmetic number, because the mean of its divisors is an integer number (3280480).

Almost surely, 2^43415252 is an apocalyptic number.

It is an amenable number.

43415252 is a deficient number, since it is larger than the sum of its proper divisors (35316268).

43415252 is a wasteful number, since it uses less digits than its factorization.

43415252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 43415252 is about 6589.0251175724. The cubic root of 43415252 is about 351.4639417169.

Adding to 43415252 its reverse (25251434), we get a palindrome (68666686).

The spelling of 43415252 in words is "forty-three million, four hundred fifteen thousand, two hundred fifty-two".