495729961 has 2 divisors, whose sum is σ = 495729962. Its totient is φ = 495729960.

The previous prime is 495729887. The next prime is 495730051. The reversal of 495729961 is 169927594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432432025 + 63297936 = 20795^2 + 7956^2 .

It is a cyclic number.

It is not a de Polignac number, because 495729961 - 2¹³ = 495721769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 495729899 and 495729908.

It is not a weakly prime, because it can be changed into another prime (495729761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247864980 + 247864981.

It is an arithmetic number, because the mean of its divisors is an integer number (247864981).

Almost surely, 2^495729961 is an apocalyptic number.

It is an amenable number.

495729961 is a deficient number, since it is larger than the sum of its proper divisors (1).

495729961 is an equidigital number, since it uses as much as digits as its factorization.

495729961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 52.

The square root of 495729961 is about 22264.9940714117. The cubic root of 495729961 is about 791.4346419479.

The spelling of 495729961 in words is "four hundred ninety-five million, seven hundred twenty-nine thousand, nine hundred sixty-one".