43130687 has 2 divisors, whose sum is σ = 43130688. Its totient is φ = 43130686.

The previous prime is 43130651. The next prime is 43130693. The reversal of 43130687 is 78603134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43130687 - 2⁶ = 43130623 is a prime.

It is a super-2 number, since 2×43130687² = 3720512322183938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43130617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565343 + 21565344.

It is an arithmetic number, because the mean of its divisors is an integer number (21565344).

Almost surely, 2^43130687 is an apocalyptic number.

43130687 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130687 is an equidigital number, since it uses as much as digits as its factorization.

43130687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 43130687 is about 6567.3957547874. The cubic root of 43130687 is about 350.6943684633.

The spelling of 43130687 in words is "forty-three million, one hundred thirty thousand, six hundred eighty-seven".