1001534525213 has 2 divisors, whose sum is σ = 1001534525214. Its totient is φ = 1001534525212.

The previous prime is 1001534525191. The next prime is 1001534525249. The reversal of 1001534525213 is 3125254351001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640156809604 + 361377715609 = 800098^2 + 601147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001534525213 - 2¹⁸ = 1001534263069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001534525213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001534585213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500767262606 + 500767262607.

It is an arithmetic number, because the mean of its divisors is an integer number (500767262607).

Almost surely, 2^{1001534525213} is an apocalyptic number.

It is an amenable number.

1001534525213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001534525213 is an equidigital number, since it uses as much as digits as its factorization.

1001534525213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1001534525213 its reverse (3125254351001), we get a palindrome (4126788876214).

The spelling of 1001534525213 in words is "one trillion, one billion, five hundred thirty-four million, five hundred twenty-five thousand, two hundred thirteen".