493042111 has 4 divisors (see below), whose sum is σ = 498582000. Its totient is φ = 487502224.

The previous prime is 493042091. The next prime is 493042117. The reversal of 493042111 is 111240394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493042111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493042117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769811 + ... + 2769988.

It is an arithmetic number, because the mean of its divisors is an integer number (124645500).

Almost surely, 2^493042111 is an apocalyptic number.

493042111 is a deficient number, since it is larger than the sum of its proper divisors (5539889).

493042111 is an equidigital number, since it uses as much as digits as its factorization.

493042111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539888.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 493042111 is about 22204.5515829525. The cubic root of 493042111 is about 790.0016615892.

It can be divided in two parts, 49304 and 2111, that added together give a palindrome (51415).

The spelling of 493042111 in words is "four hundred ninety-three million, forty-two thousand, one hundred eleven".