1252135353 has 16 divisors (see below), whose sum is σ = 1969565696. Its totient is φ = 692424720.

The previous prime is 1252135351. The next prime is 1252135363. The reversal of 1252135353 is 3535312521.

It is not a de Polignac number, because 1252135353 - 2¹ = 1252135351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252135353.

It is not an unprimeable number, because it can be changed into a prime (1252135351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961051 + ... + 962352.

It is an arithmetic number, because the mean of its divisors is an integer number (123097856).

Almost surely, 2^1252135353 is an apocalyptic number.

It is an amenable number.

1252135353 is a deficient number, since it is larger than the sum of its proper divisors (717430343).

1252135353 is a wasteful number, since it uses less digits than its factorization.

1252135353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923444.

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

The square root of 1252135353 is about 35385.5246251910. The cubic root of 1252135353 is about 1077.8303932057.

Adding to 1252135353 its reverse (3535312521), we get a palindrome (4787447874).

It can be divided in two parts, 12521 and 35353, that added together give a palindrome (47874).

The spelling of 1252135353 in words is "one billion, two hundred fifty-two million, one hundred thirty-five thousand, three hundred fifty-three".