1333125513 has 8 divisors (see below), whose sum is σ = 1975000800. Its totient is φ = 888750324.

The previous prime is 1333125467. The next prime is 1333125529. The reversal of 1333125513 is 3155213331.

1333125513 is a `hidden beast` number, since 133 + 3 + 12 + 5 + 513 = 666.

It is not a de Polignac number, because 1333125513 - 2⁸ = 1333125257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 49375019 = 1333125513 / (1 + 3 + 3 + 3 + 1 + 2 + 5 + 5 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (1333125713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24687483 + ... + 24687536.

It is an arithmetic number, because the mean of its divisors is an integer number (246875100).

Almost surely, 2^1333125513 is an apocalyptic number.

It is an amenable number.

1333125513 is a deficient number, since it is larger than the sum of its proper divisors (641875287).

1333125513 is an equidigital number, since it uses as much as digits as its factorization.

1333125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49375028 (or 49375022 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1333125513 is about 36511.9913590042. The cubic root of 1333125513 is about 1100.5852293585.

Adding to 1333125513 its reverse (3155213331), we get a palindrome (4488338844).

The spelling of 1333125513 in words is "one billion, three hundred thirty-three million, one hundred twenty-five thousand, five hundred thirteen".