493078511 has 2 divisors, whose sum is σ = 493078512. Its totient is φ = 493078510.

The previous prime is 493078499. The next prime is 493078513. The reversal of 493078511 is 115870394.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493078511 is a prime.

Together with 493078513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493078513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246539255 + 246539256.

It is an arithmetic number, because the mean of its divisors is an integer number (246539256).

Almost surely, 2^493078511 is an apocalyptic number.

493078511 is a deficient number, since it is larger than the sum of its proper divisors (1).

493078511 is an equidigital number, since it uses as much as digits as its factorization.

493078511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 493078511 is about 22205.3712195946. The cubic root of 493078511 is about 790.0211023579.

The spelling of 493078511 in words is "four hundred ninety-three million, seventy-eight thousand, five hundred eleven".