1330203525 has 24 divisors (see below), whose sum is σ = 2513452224. Its totient is φ = 608092800.

The previous prime is 1330203499. The next prime is 1330203527. The reversal of 1330203525 is 5253020331.

It is a happy number.

It is not a de Polignac number, because 1330203525 - 2⁸ = 1330203269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330203495 and 1330203504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330203527) 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, 1266336 + ... + 1267385.

It is an arithmetic number, because the mean of its divisors is an integer number (104727176).

Almost surely, 2^1330203525 is an apocalyptic number.

1330203525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330203525 is a deficient number, since it is larger than the sum of its proper divisors (1183248699).

1330203525 is a wasteful number, since it uses less digits than its factorization.

1330203525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533741 (or 2533736 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1330203525 is about 36471.9553218634. The cubic root of 1330203525 is about 1099.7805416187.

Adding to 1330203525 its reverse (5253020331), we get a palindrome (6583223856).

The spelling of 1330203525 in words is "one billion, three hundred thirty million, two hundred three thousand, five hundred twenty-five".