495159757 has 4 divisors (see below), whose sum is σ = 495205180. Its totient is φ = 495114336.

The previous prime is 495159733. The next prime is 495159793. The reversal of 495159757 is 757951594.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 757951594 = 2 ⋅378975797.

It can be written as a sum of positive squares in 2 ways, for example, as 155900196 + 339259561 = 12486^2 + 18419^2 .

It is a 3-Lehmer number, since φ(495159757) divides (495159757-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495159757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495159557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543 + ... + 31795.

It is an arithmetic number, because the mean of its divisors is an integer number (123801295).

Almost surely, 2^495159757 is an apocalyptic number.

495159757 is the 18169-th pentagonal number.

It is an amenable number.

495159757 is a deficient number, since it is larger than the sum of its proper divisors (45423).

495159757 is a wasteful number, since it uses less digits than its factorization.

495159757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45422.

The product of its digits is 1984500, while the sum is 52.

The square root of 495159757 is about 22252.1854432323. The cubic root of 495159757 is about 791.1310812934.

The spelling of 495159757 in words is "four hundred ninety-five million, one hundred fifty-nine thousand, seven hundred fifty-seven".