1325453603 has 16 divisors (see below), whose sum is σ = 1423928160. Its totient is φ = 1229376000.

The previous prime is 1325453579. The next prime is 1325453641. The reversal of 1325453603 is 3063545231.

It is a cyclic number.

It is not a de Polignac number, because 1325453603 - 2⁶ = 1325453539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325453603.

It is not an unprimeable number, because it can be changed into a prime (1325450603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391508 + ... + 394878.

It is an arithmetic number, because the mean of its divisors is an integer number (88995510).

Almost surely, 2^1325453603 is an apocalyptic number.

1325453603 is a deficient number, since it is larger than the sum of its proper divisors (98474557).

1325453603 is a wasteful number, since it uses less digits than its factorization.

1325453603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 1325453603 is about 36406.7796296239. The cubic root of 1325453603 is about 1098.4699396702.

Adding to 1325453603 its reverse (3063545231), we get a palindrome (4388998834).

The spelling of 1325453603 in words is "one billion, three hundred twenty-five million, four hundred fifty-three thousand, six hundred three".