495749 has 2 divisors, whose sum is σ = 495750. Its totient is φ = 495748.

The previous prime is 495713. The next prime is 495751. The reversal of 495749 is 947594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465124 + 30625 = 682^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 495749 - 2¹² = 491653 is a prime.

It is a Sophie Germain prime.

Together with 495751, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247874 + 247875.

It is an arithmetic number, because the mean of its divisors is an integer number (247875).

2⁴⁹⁵⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

495749 is a deficient number, since it is larger than the sum of its proper divisors (1).

495749 is an equidigital number, since it uses as much as digits as its factorization.

495749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 495749 is about 704.0944538910. The cubic root of 495749 is about 79.1444773762.

The spelling of 495749 in words is "four hundred ninety-five thousand, seven hundred forty-nine".