103005525 has 24 divisors (see below), whose sum is σ = 194632384. Its totient is φ = 47088000.

The previous prime is 103005503. The next prime is 103005527. The reversal of 103005525 is 525500301.

It is not a de Polignac number, because 103005525 - 2¹³ = 102997333 is a prime.

It is a super-2 number, since 2×103005525² = 21220276361051250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103005527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97576 + ... + 98625.

Almost surely, 2^103005525 is an apocalyptic number.

103005525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103005525 is a deficient number, since it is larger than the sum of its proper divisors (91626859).

103005525 is a wasteful number, since it uses less digits than its factorization.

103005525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196221 (or 196216 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 103005525 is about 10149.1637586552. The cubic root of 103005525 is about 468.7631960730.

Adding to 103005525 its reverse (525500301), we get a palindrome (628505826).

The spelling of 103005525 in words is "one hundred three million, five thousand, five hundred twenty-five".