103216325 has 12 divisors (see below), whose sum is σ = 128637600. Its totient is φ = 82154160.

The previous prime is 103216291. The next prime is 103216339. The reversal of 103216325 is 523612301.

It is not a de Polignac number, because 103216325 - 2⁶ = 103216261 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103216325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5399 + ... + 15348.

It is an arithmetic number, because the mean of its divisors is an integer number (10719800).

Almost surely, 2^103216325 is an apocalyptic number.

It is an amenable number.

103216325 is a deficient number, since it is larger than the sum of its proper divisors (25421275).

103216325 is a wasteful number, since it uses less digits than its factorization.

103216325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20956 (or 20951 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 103216325 is about 10159.5435428960. The cubic root of 103216325 is about 469.0827515856.

Adding to 103216325 its reverse (523612301), we get a palindrome (626828626).

The spelling of 103216325 in words is "one hundred three million, two hundred sixteen thousand, three hundred twenty-five".