1325312535 has 32 divisors (see below), whose sum is σ = 2169950400. Its totient is φ = 690508800.

The previous prime is 1325312449. The next prime is 1325312551. The reversal of 1325312535 is 5352135231.

It is not a de Polignac number, because 1325312535 - 2⁷ = 1325312407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131475 + ... + 141195.

It is an arithmetic number, because the mean of its divisors is an integer number (67810950).

Almost surely, 2^1325312535 is an apocalyptic number.

1325312535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1325312535 is a deficient number, since it is larger than the sum of its proper divisors (844637865).

1325312535 is a wasteful number, since it uses less digits than its factorization.

1325312535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939.

The product of its digits is 13500, while the sum is 30.

The square root of 1325312535 is about 36404.8421916646. The cubic root of 1325312535 is about 1098.4309682431.

Adding to 1325312535 its reverse (5352135231), we get a palindrome (6677447766).

The spelling of 1325312535 in words is "one billion, three hundred twenty-five million, three hundred twelve thousand, five hundred thirty-five".