43252141 has 4 divisors (see below), whose sum is σ = 43478784. Its totient is φ = 43025500.

The previous prime is 43252129. The next prime is 43252163. The reversal of 43252141 is 14125234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43252141 - 2⁹ = 43251629 is a prime.

It is a super-4 number, since 4×43252141⁴ (a number of 32 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43252441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113035 + ... + 113416.

It is an arithmetic number, because the mean of its divisors is an integer number (10869696).

Almost surely, 2^43252141 is an apocalyptic number.

It is an amenable number.

43252141 is a deficient number, since it is larger than the sum of its proper divisors (226643).

43252141 is a wasteful number, since it uses less digits than its factorization.

43252141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226642.

The product of its digits is 960, while the sum is 22.

The square root of 43252141 is about 6576.6359941843. The cubic root of 43252141 is about 351.0232396146.

Adding to 43252141 its reverse (14125234), we get a palindrome (57377375).

The spelling of 43252141 in words is "forty-three million, two hundred fifty-two thousand, one hundred forty-one".