68531003 has 4 divisors (see below), whose sum is σ = 68623008. Its totient is φ = 68439000.

The previous prime is 68530963. The next prime is 68531033. The reversal of 68531003 is 30013586.

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 68531003 - 2⁶ = 68530939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68531033) 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, 44876 + ... + 46377.

It is an arithmetic number, because the mean of its divisors is an integer number (17155752).

Almost surely, 2^68531003 is an apocalyptic number.

68531003 is a deficient number, since it is larger than the sum of its proper divisors (92005).

68531003 is an equidigital number, since it uses as much as digits as its factorization.

68531003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92004.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 68531003 is about 8278.3454264726. The cubic root of 68531003 is about 409.2251934666.

Adding to 68531003 its reverse (30013586), we get a palindrome (98544589).

The spelling of 68531003 in words is "sixty-eight million, five hundred thirty-one thousand, three".