495730901 has 4 divisors (see below), whose sum is σ = 512825100. Its totient is φ = 478636704.

The previous prime is 495730883. The next prime is 495730909. The reversal of 495730901 is 109037594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259371025 + 236359876 = 16105^2 + 15374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495730901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495730909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8547056 + ... + 8547113.

It is an arithmetic number, because the mean of its divisors is an integer number (128206275).

Almost surely, 2^495730901 is an apocalyptic number.

It is an amenable number.

495730901 is a deficient number, since it is larger than the sum of its proper divisors (17094199).

495730901 is a wasteful number, since it uses less digits than its factorization.

495730901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17094198.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 495730901 is about 22265.0151807718. The cubic root of 495730901 is about 791.4351421854.

The spelling of 495730901 in words is "four hundred ninety-five million, seven hundred thirty thousand, nine hundred one".