43252101 has 12 divisors (see below), whose sum is σ = 62668320. Its totient is φ = 28745640.

The previous prime is 43252091. The next prime is 43252103. The reversal of 43252101 is 10125234.

It is not a de Polignac number, because 43252101 - 2⁷ = 43251973 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43252103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4281 + ... + 10238.

It is an arithmetic number, because the mean of its divisors is an integer number (5222360).

Almost surely, 2^43252101 is an apocalyptic number.

It is an amenable number.

43252101 is a deficient number, since it is larger than the sum of its proper divisors (19416219).

43252101 is a wasteful number, since it uses less digits than its factorization.

43252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856 (or 14853 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 43252101 is about 6576.6329531151. The cubic root of 43252101 is about 351.0231314047.

Adding to 43252101 its reverse (10125234), we get a palindrome (53377335).

The spelling of 43252101 in words is "forty-three million, two hundred fifty-two thousand, one hundred one".