103513225 has 12 divisors (see below), whose sum is σ = 133937856. Its totient is φ = 79209680.

The previous prime is 103513219. The next prime is 103513231. The reversal of 103513225 is 522315301.

It is an interprime number because it is at equal distance from previous prime (103513219) and next prime (103513231).

It is not a de Polignac number, because 103513225 - 2³ = 103513217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103513196 and 103513205.

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, 89437 + ... + 90586.

It is an arithmetic number, because the mean of its divisors is an integer number (11161488).

Almost surely, 2^103513225 is an apocalyptic number.

It is an amenable number.

103513225 is a deficient number, since it is larger than the sum of its proper divisors (30424631).

103513225 is a wasteful number, since it uses less digits than its factorization.

103513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180056 (or 180051 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 103513225 is about 10174.1449272162. The cubic root of 103513225 is about 469.5320905358.

Adding to 103513225 its reverse (522315301), we get a palindrome (625828526).

The spelling of 103513225 in words is "one hundred three million, five hundred thirteen thousand, two hundred twenty-five".