2535600021013 has 2 divisors, whose sum is σ = 2535600021014. Its totient is φ = 2535600021012.

The previous prime is 2535600020983. The next prime is 2535600021083. The reversal of 2535600021013 is 3101200065352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1625709151089 + 909890869924 = 1275033^2 + 953882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2535600021013 is a prime.

It is a super-2 number, since 2×2535600021013² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2535600021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267800010506 + 1267800010507.

It is an arithmetic number, because the mean of its divisors is an integer number (1267800010507).

Almost surely, 2^{2535600021013} is an apocalyptic number.

It is an amenable number.

2535600021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2535600021013 is an equidigital number, since it uses as much as digits as its factorization.

2535600021013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 2535600021013 its reverse (3101200065352), we get a palindrome (5636800086365).

The spelling of 2535600021013 in words is "two trillion, five hundred thirty-five billion, six hundred million, twenty-one thousand, thirteen".