495438577 has 2 divisors, whose sum is σ = 495438578. Its totient is φ = 495438576.

The previous prime is 495438571. The next prime is 495438631. The reversal of 495438577 is 775834594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252047376 + 243391201 = 15876^2 + 15601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495438577 is a prime.

It is not a weakly prime, because it can be changed into another prime (495438571) 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, 247719288 + 247719289.

It is an arithmetic number, because the mean of its divisors is an integer number (247719289).

Almost surely, 2^495438577 is an apocalyptic number.

It is an amenable number.

495438577 is a deficient number, since it is larger than the sum of its proper divisors (1).

495438577 is an equidigital number, since it uses as much as digits as its factorization.

495438577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 52.

The square root of 495438577 is about 22258.4495641543. The cubic root of 495438577 is about 791.2795463595.

The spelling of 495438577 in words is "four hundred ninety-five million, four hundred thirty-eight thousand, five hundred seventy-seven".