103688551 has 2 divisors, whose sum is σ = 103688552. Its totient is φ = 103688550.

The previous prime is 103688513. The next prime is 103688573. The reversal of 103688551 is 155886301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103688551 - 2¹¹ = 103686503 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103688551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103688591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51844275 + 51844276.

It is an arithmetic number, because the mean of its divisors is an integer number (51844276).

Almost surely, 2^103688551 is an apocalyptic number.

103688551 is a deficient number, since it is larger than the sum of its proper divisors (1).

103688551 is an equidigital number, since it uses as much as digits as its factorization.

103688551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 103688551 is about 10182.7575341849. The cubic root of 103688551 is about 469.7970317215.

The spelling of 103688551 in words is "one hundred three million, six hundred eighty-eight thousand, five hundred fifty-one".