133462025202521 has 2 divisors, whose sum is σ = 133462025202522. Its totient is φ = 133462025202520.

The previous prime is 133462025202421. The next prime is 133462025202593. The reversal of 133462025202521 is 125202520264331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78890119404121 + 54571905798400 = 8882011^2 + 7387280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133462025202521 is a prime.

It is a super-2 number, since 2×133462025202521² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133462025202421) 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 as a sum of consecutive naturals, namely, 66731012601260 + 66731012601261.

It is an arithmetic number, because the mean of its divisors is an integer number (66731012601261).

Almost surely, 2^{133462025202521} is an apocalyptic number.

It is an amenable number.

133462025202521 is a deficient number, since it is larger than the sum of its proper divisors (1).

133462025202521 is an equidigital number, since it uses as much as digits as its factorization.

133462025202521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 133462025202521 its reverse (125202520264331), we get a palindrome (258664545466852).

The spelling of 133462025202521 in words is "one hundred thirty-three trillion, four hundred sixty-two billion, twenty-five million, two hundred two thousand, five hundred twenty-one".