1252534435313 has 16 divisors (see below), whose sum is σ = 1528597570560. Its totient is φ = 1003142145600.

The previous prime is 1252534435279. The next prime is 1252534435379. The reversal of 1252534435313 is 3135344352521.

It is not a de Polignac number, because 1252534435313 - 2¹⁸ = 1252534173169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252534435613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99511778 + ... + 99524363.

It is an arithmetic number, because the mean of its divisors is an integer number (95537348160).

Almost surely, 2^{1252534435313} is an apocalyptic number.

It is an amenable number.

1252534435313 is a deficient number, since it is larger than the sum of its proper divisors (276063135247).

1252534435313 is a wasteful number, since it uses less digits than its factorization.

1252534435313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199036208.

The product of its digits is 648000, while the sum is 41.

Adding to 1252534435313 its reverse (3135344352521), we get a palindrome (4387878787834).

The spelling of 1252534435313 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-four million, four hundred thirty-five thousand, three hundred thirteen".