103215563 has 8 divisors (see below), whose sum is σ = 113956416. Its totient is φ = 92701000.

The previous prime is 103215547. The next prime is 103215587. The reversal of 103215563 is 365512301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103215563 - 2⁴ = 103215547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103215863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55613 + ... + 57438.

It is an arithmetic number, because the mean of its divisors is an integer number (14244552).

Almost surely, 2^103215563 is an apocalyptic number.

103215563 is a deficient number, since it is larger than the sum of its proper divisors (10740853).

103215563 is a wasteful number, since it uses less digits than its factorization.

103215563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113145.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 103215563 is about 10159.5060411420. The cubic root of 103215563 is about 469.0815972400.

Adding to 103215563 its reverse (365512301), we get a palindrome (468727864).

The spelling of 103215563 in words is "one hundred three million, two hundred fifteen thousand, five hundred sixty-three".