43252491 has 8 divisors (see below), whose sum is σ = 58085440. Its totient is φ = 28627272.

The previous prime is 43252483. The next prime is 43252501. The reversal of 43252491 is 19425234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43252491 - 2³ = 43252483 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 51445 + ... + 52278.

It is an arithmetic number, because the mean of its divisors is an integer number (7260680).

Almost surely, 2^43252491 is an apocalyptic number.

43252491 is a deficient number, since it is larger than the sum of its proper divisors (14832949).

43252491 is a wasteful number, since it uses less digits than its factorization.

43252491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103865.

The product of its digits is 8640, while the sum is 30.

The square root of 43252491 is about 6576.6626034791. The cubic root of 43252491 is about 351.0241864487.

The spelling of 43252491 in words is "forty-three million, two hundred fifty-two thousand, four hundred ninety-one".