497091143 has 2 divisors, whose sum is σ = 497091144. Its totient is φ = 497091142.

The previous prime is 497091131. The next prime is 497091163. The reversal of 497091143 is 341190794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497091143 - 2⁶ = 497091079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 497091097 and 497091106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497091113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248545571 + 248545572.

It is an arithmetic number, because the mean of its divisors is an integer number (248545572).

Almost surely, 2^497091143 is an apocalyptic number.

497091143 is a deficient number, since it is larger than the sum of its proper divisors (1).

497091143 is an equidigital number, since it uses as much as digits as its factorization.

497091143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 497091143 is about 22295.5408770453. The cubic root of 497091143 is about 792.1583572536.

The spelling of 497091143 in words is "four hundred ninety-seven million, ninety-one thousand, one hundred forty-three".