1520513432213 has 2 divisors, whose sum is σ = 1520513432214. Its totient is φ = 1520513432212.

The previous prime is 1520513432201. The next prime is 1520513432287. The reversal of 1520513432213 is 3122343150251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272332112529 + 248181319684 = 1127977^2 + 498178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1520513432213 - 2¹² = 1520513428117 is a prime.

It is a super-2 number, since 2×1520513432213² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1520513432213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520513432513) by changing a digit.

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 as a sum of consecutive naturals, namely, 760256716106 + 760256716107.

It is an arithmetic number, because the mean of its divisors is an integer number (760256716107).

Almost surely, 2^{1520513432213} is an apocalyptic number.

It is an amenable number.

1520513432213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520513432213 is an equidigital number, since it uses as much as digits as its factorization.

1520513432213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1520513432213 its reverse (3122343150251), we get a palindrome (4642856582464).

The spelling of 1520513432213 in words is "one trillion, five hundred twenty billion, five hundred thirteen million, four hundred thirty-two thousand, two hundred thirteen".