495491393 has 2 divisors, whose sum is σ = 495491394. Its totient is φ = 495491392.

The previous prime is 495491357. The next prime is 495491407. The reversal of 495491393 is 393194594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495151504 + 339889 = 22252^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 495491393 - 2¹⁴ = 495475009 is a prime.

It is not a weakly prime, because it can be changed into another prime (495491993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247745696 + 247745697.

It is an arithmetic number, because the mean of its divisors is an integer number (247745697).

Almost surely, 2^495491393 is an apocalyptic number.

It is an amenable number.

495491393 is a deficient number, since it is larger than the sum of its proper divisors (1).

495491393 is an equidigital number, since it uses as much as digits as its factorization.

495491393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 47.

The square root of 495491393 is about 22259.6359583889. The cubic root of 495491393 is about 791.3076633569.

The spelling of 495491393 in words is "four hundred ninety-five million, four hundred ninety-one thousand, three hundred ninety-three".