495389 has 2 divisors, whose sum is σ = 495390. Its totient is φ = 495388.

The previous prime is 495377. The next prime is 495401. The reversal of 495389 is 983594.

It is a balanced prime because it is at equal distance from previous prime (495377) and next prime (495401).

It can be written as a sum of positive squares in only one way, i.e., 466489 + 28900 = 683^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 495389 - 2⁸ = 495133 is a prime.

It is a super-2 number, since 2×495389² = 490820522642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247694 + 247695.

It is an arithmetic number, because the mean of its divisors is an integer number (247695).

2⁴⁹⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

495389 is a deficient number, since it is larger than the sum of its proper divisors (1).

495389 is an equidigital number, since it uses as much as digits as its factorization.

495389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 495389 is about 703.8387599443. The cubic root of 495389 is about 79.1253151850.

The spelling of 495389 in words is "four hundred ninety-five thousand, three hundred eighty-nine".