103315525 has 6 divisors (see below), whose sum is σ = 128111282. Its totient is φ = 82652400.

The previous prime is 103315501. The next prime is 103315543. The reversal of 103315525 is 525513301.

It can be written as a sum of positive squares in 3 ways, for example, as 9012004 + 94303521 = 3002^2 + 9711^2 .

It is not a de Polignac number, because 103315525 - 2⁷ = 103315397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4132621 = 103315525 / (1 + 0 + 3 + 3 + 1 + 5 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103315525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2066286 + ... + 2066335.

Almost surely, 2^103315525 is an apocalyptic number.

It is an amenable number.

103315525 is a deficient number, since it is larger than the sum of its proper divisors (24795757).

103315525 is an equidigital number, since it uses as much as digits as its factorization.

103315525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132631 (or 4132626 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 103315525 is about 10164.4244795266. The cubic root of 103315525 is about 469.2329801128.

Adding to 103315525 its reverse (525513301), we get a palindrome (628828826).

The spelling of 103315525 in words is "one hundred three million, three hundred fifteen thousand, five hundred twenty-five".