688486103 has 2 divisors, whose sum is σ = 688486104. Its totient is φ = 688486102.

The previous prime is 688486087. The next prime is 688486133. The reversal of 688486103 is 301684886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 688486103 - 2⁴ = 688486087 is a prime.

It is a super-2 number, since 2×688486103² = 948026228048253218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688486133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344243051 + 344243052.

It is an arithmetic number, because the mean of its divisors is an integer number (344243052).

Almost surely, 2^688486103 is an apocalyptic number.

688486103 is a deficient number, since it is larger than the sum of its proper divisors (1).

688486103 is an equidigital number, since it uses as much as digits as its factorization.

688486103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 688486103 is about 26239.0187125967. The cubic root of 688486103 is about 883.0088564339.

The spelling of 688486103 in words is "six hundred eighty-eight million, four hundred eighty-six thousand, one hundred three".