495533993 has 2 divisors, whose sum is σ = 495533994. Its totient is φ = 495533992.

The previous prime is 495533957. The next prime is 495533999. The reversal of 495533993 is 399335594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303212569 + 192321424 = 17413^2 + 13868^2 .

It is a cyclic number.

It is not a de Polignac number, because 495533993 - 2²⁰ = 494485417 is a prime.

It is not a weakly prime, because it can be changed into another prime (495533999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247766996 + 247766997.

It is an arithmetic number, because the mean of its divisors is an integer number (247766997).

Almost surely, 2^495533993 is an apocalyptic number.

It is an amenable number.

495533993 is a deficient number, since it is larger than the sum of its proper divisors (1).

495533993 is an equidigital number, since it uses as much as digits as its factorization.

495533993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1968300, while the sum is 50.

The square root of 495533993 is about 22260.5928267870. The cubic root of 495533993 is about 791.3303403337.

The spelling of 495533993 in words is "four hundred ninety-five million, five hundred thirty-three thousand, nine hundred ninety-three".