1103243525 has 12 divisors (see below), whose sum is σ = 1386764292. Its totient is φ = 870503040.

The previous prime is 1103243497. The next prime is 1103243567. The reversal of 1103243525 is 5253423011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 193738561 + 909504964 = 13919^2 + 30158^2 .

It is not a de Polignac number, because 1103243525 - 2¹⁰ = 1103242501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103243494 and 1103243503.

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, 300434 + ... + 304083.

It is an arithmetic number, because the mean of its divisors is an integer number (115563691).

Almost surely, 2^1103243525 is an apocalyptic number.

It is an amenable number.

1103243525 is a deficient number, since it is larger than the sum of its proper divisors (283520767).

1103243525 is an equidigital number, since it uses as much as digits as its factorization.

1103243525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604600 (or 604595 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1103243525 is about 33215.1098899281. The cubic root of 1103243525 is about 1033.2937338854.

Adding to 1103243525 its reverse (5253423011), we get a palindrome (6356666536).

The spelling of 1103243525 in words is "one billion, one hundred three million, two hundred forty-three thousand, five hundred twenty-five".