493257943 has 2 divisors, whose sum is σ = 493257944. Its totient is φ = 493257942.

The previous prime is 493257913. The next prime is 493257979. The reversal of 493257943 is 349752394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493257943 - 2⁵ = 493257911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 493257893 and 493257902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493257913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246628971 + 246628972.

It is an arithmetic number, because the mean of its divisors is an integer number (246628972).

Almost surely, 2^493257943 is an apocalyptic number.

493257943 is a deficient number, since it is larger than the sum of its proper divisors (1).

493257943 is an equidigital number, since it uses as much as digits as its factorization.

493257943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 493257943 is about 22209.4111358226. The cubic root of 493257943 is about 790.1169206855.

The spelling of 493257943 in words is "four hundred ninety-three million, two hundred fifty-seven thousand, nine hundred forty-three".