495603 has 12 divisors (see below), whose sum is σ = 730080. Its totient is φ = 323856.

The previous prime is 495589. The next prime is 495611. The reversal of 495603 is 306594.

It is a happy number.

It is not a de Polignac number, because 495603 - 2⁴ = 495587 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

495603 is a lucky number.

It is a nialpdrome in base 14.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (495613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2⁴⁹⁵⁶⁰³ is an apocalyptic number.

495603 is a deficient number, since it is larger than the sum of its proper divisors (234477).

495603 is a wasteful number, since it uses less digits than its factorization.

495603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 495603 is about 703.9907669849. The cubic root of 495603 is about 79.1367071617.

The spelling of 495603 in words is "four hundred ninety-five thousand, six hundred three".