68052503 has 4 divisors (see below), whose sum is σ = 69068280. Its totient is φ = 67036728.

The previous prime is 68052461. The next prime is 68052511. The reversal of 68052503 is 30525086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68052503 - 2⁸ = 68052247 is a prime.

It is a super-2 number, since 2×68052503² = 9262286329130018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68052553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507788 + ... + 507921.

It is an arithmetic number, because the mean of its divisors is an integer number (17267070).

Almost surely, 2^68052503 is an apocalyptic number.

68052503 is a deficient number, since it is larger than the sum of its proper divisors (1015777).

68052503 is a wasteful number, since it uses less digits than its factorization.

68052503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015776.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 68052503 is about 8249.3940989627. The cubic root of 68052503 is about 408.2705317642.

Adding to 68052503 its reverse (30525086), we get a palindrome (98577589).

The spelling of 68052503 in words is "sixty-eight million, fifty-two thousand, five hundred three".