495130997 has 2 divisors, whose sum is σ = 495130998. Its totient is φ = 495130996.

The previous prime is 495130981. The next prime is 495131033. The reversal of 495130997 is 799031594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467683876 + 27447121 = 21626^2 + 5239^2 .

It is a cyclic number.

It is not a de Polignac number, because 495130997 - 2⁴ = 495130981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495130907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247565498 + 247565499.

It is an arithmetic number, because the mean of its divisors is an integer number (247565499).

Almost surely, 2^495130997 is an apocalyptic number.

It is an amenable number.

495130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

495130997 is an equidigital number, since it uses as much as digits as its factorization.

495130997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 495130997 is about 22251.5392051876. The cubic root of 495130997 is about 791.1157641019.

The spelling of 495130997 in words is "four hundred ninety-five million, one hundred thirty thousand, nine hundred ninety-seven".