43112461 has 4 divisors (see below), whose sum is σ = 49271392. Its totient is φ = 36953532.

The previous prime is 43112449. The next prime is 43112467. The reversal of 43112461 is 16421134.

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 not a de Polignac number, because 43112461 - 2²³ = 34723853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43112467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079455 + ... + 3079468.

It is an arithmetic number, because the mean of its divisors is an integer number (12317848).

Almost surely, 2^43112461 is an apocalyptic number.

It is an amenable number.

43112461 is a deficient number, since it is larger than the sum of its proper divisors (6158931).

43112461 is an equidigital number, since it uses as much as digits as its factorization.

43112461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158930.

The product of its digits is 576, while the sum is 22.

The square root of 43112461 is about 6566.0079957307. The cubic root of 43112461 is about 350.6449631439.

Adding to 43112461 its reverse (16421134), we get a palindrome (59533595).

The spelling of 43112461 in words is "forty-three million, one hundred twelve thousand, four hundred sixty-one".