43487313 has 8 divisors (see below), whose sum is σ = 58204608. Its totient is φ = 28880784.

The previous prime is 43487303. The next prime is 43487357. The reversal of 43487313 is 31378434.

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

It is not a de Polignac number, because 43487313 - 2⁸ = 43487057 is a prime.

It is a super-2 number, since 2×43487313² = 3782292783919938, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43487303) 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 7 ways as a sum of consecutive naturals, for example, 26770 + ... + 28347.

It is an arithmetic number, because the mean of its divisors is an integer number (7275576).

Almost surely, 2^43487313 is an apocalyptic number.

It is an amenable number.

43487313 is a deficient number, since it is larger than the sum of its proper divisors (14717295).

43487313 is a wasteful number, since it uses less digits than its factorization.

43487313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55383.

The product of its digits is 24192, while the sum is 33.

The square root of 43487313 is about 6594.4911100099. The cubic root of 43487313 is about 351.6582884981.

The spelling of 43487313 in words is "forty-three million, four hundred eighty-seven thousand, three hundred thirteen".