43450493 has 4 divisors (see below), whose sum is σ = 43615968. Its totient is φ = 43285020.

The previous prime is 43450489. The next prime is 43450501. The reversal of 43450493 is 39405434.

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 43450493 - 2² = 43450489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43450193) 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, 82343 + ... + 82868.

It is an arithmetic number, because the mean of its divisors is an integer number (10903992).

Almost surely, 2^43450493 is an apocalyptic number.

It is an amenable number.

43450493 is a deficient number, since it is larger than the sum of its proper divisors (165475).

43450493 is a wasteful number, since it uses less digits than its factorization.

43450493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165474.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 43450493 is about 6591.6987946963. The cubic root of 43450493 is about 351.5590126917.

The spelling of 43450493 in words is "forty-three million, four hundred fifty thousand, four hundred ninety-three".