3530478181 has 2 divisors, whose sum is σ = 3530478182. Its totient is φ = 3530478180.

The previous prime is 3530478113. The next prime is 3530478191. The reversal of 3530478181 is 1818740353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1777381281 + 1753096900 = 42159^2 + 41870^2 .

It is a cyclic number.

It is not a de Polignac number, because 3530478181 - 2²⁷ = 3396260453 is a prime.

It is a super-2 number, since 2×3530478181² = 24928552373034137522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3530478191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765239090 + 1765239091.

It is an arithmetic number, because the mean of its divisors is an integer number (1765239091).

Almost surely, 2^3530478181 is an apocalyptic number.

It is an amenable number.

3530478181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3530478181 is an equidigital number, since it uses as much as digits as its factorization.

3530478181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 3530478181 is about 59417.8271312575. The cubic root of 3530478181 is about 1522.6888839332.

The spelling of 3530478181 in words is "three billion, five hundred thirty million, four hundred seventy-eight thousand, one hundred eighty-one".