495530081 has 2 divisors, whose sum is σ = 495530082. Its totient is φ = 495530080.

The previous prime is 495530053. The next prime is 495530083. The reversal of 495530081 is 180035594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386515600 + 109014481 = 19660^2 + 10441^2 .

It is a cyclic number.

It is not a de Polignac number, because 495530081 - 2¹⁰ = 495529057 is a prime.

It is a super-2 number, since 2×495530081² = 491100122351733122, which contains 22 as substring.

Together with 495530083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495530083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247765040 + 247765041.

It is an arithmetic number, because the mean of its divisors is an integer number (247765041).

Almost surely, 2^495530081 is an apocalyptic number.

It is an amenable number.

495530081 is a deficient number, since it is larger than the sum of its proper divisors (1).

495530081 is an equidigital number, since it uses as much as digits as its factorization.

495530081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 495530081 is about 22260.5049583337. The cubic root of 495530081 is about 791.3282579387.

The spelling of 495530081 in words is "four hundred ninety-five million, five hundred thirty thousand, eighty-one".