3525473845181 has 2 divisors, whose sum is σ = 3525473845182. Its totient is φ = 3525473845180.

The previous prime is 3525473845081. The next prime is 3525473845303. The reversal of 3525473845181 is 1815483745253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3183209064025 + 342264781156 = 1784155^2 + 585034^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525473845181 - 2²⁶ = 3525406736317 is a prime.

It is a super-2 number, since 2×3525473845181² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3525473845081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762736922590 + 1762736922591.

It is an arithmetic number, because the mean of its divisors is an integer number (1762736922591).

Almost surely, 2^{3525473845181} is an apocalyptic number.

It is an amenable number.

3525473845181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3525473845181 is an equidigital number, since it uses as much as digits as its factorization.

3525473845181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128000, while the sum is 56.

The spelling of 3525473845181 in words is "three trillion, five hundred twenty-five billion, four hundred seventy-three million, eight hundred forty-five thousand, one hundred eighty-one".