43461313 has 4 divisors (see below), whose sum is σ = 49670080. Its totient is φ = 37252548.

The previous prime is 43461311. The next prime is 43461337. The reversal of 43461313 is 31316434.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 43461313 - 2¹ = 43461311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43461311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104373 + ... + 3104386.

It is an arithmetic number, because the mean of its divisors is an integer number (12417520).

Almost surely, 2^43461313 is an apocalyptic number.

It is an amenable number.

43461313 is a deficient number, since it is larger than the sum of its proper divisors (6208767).

43461313 is an equidigital number, since it uses as much as digits as its factorization.

43461313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208766.

The product of its digits is 2592, while the sum is 25.

The square root of 43461313 is about 6592.5194728571. The cubic root of 43461313 is about 351.5881918989.

Adding to 43461313 its reverse (31316434), we get a palindrome (74777747).

The spelling of 43461313 in words is "forty-three million, four hundred sixty-one thousand, three hundred thirteen".