43113487 has 2 divisors, whose sum is σ = 43113488. Its totient is φ = 43113486.

The previous prime is 43113481. The next prime is 43113557. The reversal of 43113487 is 78431134.

43113487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43113487 is a prime.

It is a super-2 number, since 2×43113487² = 3717545522598338, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43113481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556743 + 21556744.

It is an arithmetic number, because the mean of its divisors is an integer number (21556744).

Almost surely, 2^43113487 is an apocalyptic number.

43113487 is a deficient number, since it is larger than the sum of its proper divisors (1).

43113487 is an equidigital number, since it uses as much as digits as its factorization.

43113487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 43113487 is about 6566.0861249301. The cubic root of 43113487 is about 350.6477446976.

The spelling of 43113487 in words is "forty-three million, one hundred thirteen thousand, four hundred eighty-seven".