43104531 has 8 divisors (see below), whose sum is σ = 57562560. Its totient is φ = 28691432.

The previous prime is 43104493. The next prime is 43104541. The reversal of 43104531 is 13540134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43104531 is a prime.

It is a super-2 number, since 2×43104531² = 3716001185459922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43104498 and 43104507.

It is not an unprimeable number, because it can be changed into a prime (43104541) 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, 8925 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (7195320).

Almost surely, 2^43104531 is an apocalyptic number.

43104531 is a deficient number, since it is larger than the sum of its proper divisors (14458029).

43104531 is a wasteful number, since it uses less digits than its factorization.

43104531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22465.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 43104531 is about 6565.4041002820. The cubic root of 43104531 is about 350.6234629017.

Adding to 43104531 its reverse (13540134), we get a palindrome (56644665).

The spelling of 43104531 in words is "forty-three million, one hundred four thousand, five hundred thirty-one".