43252151 has 4 divisors (see below), whose sum is σ = 45528600. Its totient is φ = 40975704.

The previous prime is 43252129. The next prime is 43252163. The reversal of 43252151 is 15125234.

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

It is not a de Polignac number, because 43252151 - 2¹⁴ = 43235767 is a prime.

It is a super-2 number, since 2×43252151² = 3741497132253602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43252751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138196 + ... + 1138233.

It is an arithmetic number, because the mean of its divisors is an integer number (11382150).

Almost surely, 2^43252151 is an apocalyptic number.

43252151 is a deficient number, since it is larger than the sum of its proper divisors (2276449).

43252151 is a wasteful number, since it uses less digits than its factorization.

43252151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276448.

The product of its digits is 1200, while the sum is 23.

The square root of 43252151 is about 6576.6367544513. The cubic root of 43252151 is about 351.0232666671.

Adding to 43252151 its reverse (15125234), we get a palindrome (58377385).

The spelling of 43252151 in words is "forty-three million, two hundred fifty-two thousand, one hundred fifty-one".