495332881 has 2 divisors, whose sum is σ = 495332882. Its totient is φ = 495332880.

The previous prime is 495332879. The next prime is 495332891. The reversal of 495332881 is 188233594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493550656 + 1782225 = 22216^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 495332881 - 2¹ = 495332879 is a prime.

It is a super-2 number, since 2×495332881² = 490709325999520322, which contains 22 as substring.

Together with 495332879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (495332891) 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 as a sum of consecutive naturals, namely, 247666440 + 247666441.

It is an arithmetic number, because the mean of its divisors is an integer number (247666441).

Almost surely, 2^495332881 is an apocalyptic number.

It is an amenable number.

495332881 is a deficient number, since it is larger than the sum of its proper divisors (1).

495332881 is an equidigital number, since it uses as much as digits as its factorization.

495332881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 495332881 is about 22256.0751481478. The cubic root of 495332881 is about 791.2232722924.

The spelling of 495332881 in words is "four hundred ninety-five million, three hundred thirty-two thousand, eight hundred eighty-one".