133525273061 has 2 divisors, whose sum is σ = 133525273062. Its totient is φ = 133525273060.

The previous prime is 133525273003. The next prime is 133525273067. The reversal of 133525273061 is 160372525331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91752044836 + 41773228225 = 302906^2 + 204385^2 .

It is a cyclic number.

It is not a de Polignac number, because 133525273061 - 2³⁴ = 116345403877 is a prime.

It is a super-2 number, since 2×133525273061² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133525273067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66762636530 + 66762636531.

It is an arithmetic number, because the mean of its divisors is an integer number (66762636531).

Almost surely, 2^133525273061 is an apocalyptic number.

It is an amenable number.

133525273061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133525273061 is an equidigital number, since it uses as much as digits as its factorization.

133525273061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

Adding to 133525273061 its reverse (160372525331), we get a palindrome (293897798392).

The spelling of 133525273061 in words is "one hundred thirty-three billion, five hundred twenty-five million, two hundred seventy-three thousand, sixty-one".