103688537 has 4 divisors (see below), whose sum is σ = 103778256. Its totient is φ = 103598820.

The previous prime is 103688513. The next prime is 103688551. The reversal of 103688537 is 735886301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103688537 - 2⁸ = 103688281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103688494 and 103688503.

It is not an unprimeable number, because it can be changed into a prime (103685537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43103 + ... + 45444.

It is an arithmetic number, because the mean of its divisors is an integer number (25944564).

Almost surely, 2^103688537 is an apocalyptic number.

It is an amenable number.

103688537 is a deficient number, since it is larger than the sum of its proper divisors (89719).

103688537 is an equidigital number, since it uses as much as digits as its factorization.

103688537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89718.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 103688537 is about 10182.7568467483. The cubic root of 103688537 is about 469.7970105775.

The spelling of 103688537 in words is "one hundred three million, six hundred eighty-eight thousand, five hundred thirty-seven".