8103551 has 4 divisors (see below), whose sum is σ = 8148504. Its totient is φ = 8058600.

The previous prime is 8103547. The next prime is 8103553. The reversal of 8103551 is 1553018.

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 8103551 - 2² = 8103547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22205 + ... + 22566.

It is an arithmetic number, because the mean of its divisors is an integer number (2037126).

Almost surely, 2^8103551 is an apocalyptic number.

8103551 is a deficient number, since it is larger than the sum of its proper divisors (44953).

8103551 is a wasteful number, since it uses less digits than its factorization.

8103551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44952.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 8103551 is about 2846.6736729032. The cubic root of 8103551 is about 200.8592283470.

Adding to 8103551 its reverse (1553018), we get a palindrome (9656569).

The spelling of 8103551 in words is "eight million, one hundred three thousand, five hundred fifty-one".