495401 has 2 divisors, whose sum is σ = 495402. Its totient is φ = 495400.

The previous prime is 495389. The next prime is 495413. The reversal of 495401 is 104594.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (495389) and next prime (495413).

It can be written as a sum of positive squares in only one way, i.e., 354025 + 141376 = 595^2 + 376^2 .

It is a cyclic number.

It is not a de Polignac number, because 495401 - 2⁶ = 495337 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (495421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247700 + 247701.

It is an arithmetic number, because the mean of its divisors is an integer number (247701).

2⁴⁹⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

495401 is a deficient number, since it is larger than the sum of its proper divisors (1).

495401 is an equidigital number, since it uses as much as digits as its factorization.

495401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 495401 is about 703.8472845724. The cubic root of 495401 is about 79.1259540742.

Adding to 495401 its reverse (104594), we get a palindrome (599995).

The spelling of 495401 in words is "four hundred ninety-five thousand, four hundred one".