342503 has 8 divisors (see below), whose sum is σ = 395808. Its totient is φ = 290304.

The previous prime is 342497. The next prime is 342521. The reversal of 342503 is 305243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342503 - 2¹² = 338407 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342503.

It is not an unprimeable number, because it can be changed into a prime (342553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2³⁴²⁵⁰³ is an apocalyptic number.

342503 is a deficient number, since it is larger than the sum of its proper divisors (53305).

342503 is a wasteful number, since it uses less digits than its factorization.

342503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 342503 is about 585.2375586033. The cubic root of 342503 is about 69.9661741333.

Adding to 342503 its reverse (305243), we get a palindrome (647746).

The spelling of 342503 in words is "three hundred forty-two thousand, five hundred three".