361003081 has 2 divisors, whose sum is σ = 361003082. Its totient is φ = 361003080.

The previous prime is 361003039. The next prime is 361003129. The reversal of 361003081 is 180300163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183873600 + 177129481 = 13560^2 + 13309^2 .

It is a cyclic number.

It is not a de Polignac number, because 361003081 - 2¹⁷ = 360872009 is a prime.

It is a super-2 number, since 2×361003081² = 260646448982985122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361003481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180501540 + 180501541.

It is an arithmetic number, because the mean of its divisors is an integer number (180501541).

Almost surely, 2^361003081 is an apocalyptic number.

It is an amenable number.

361003081 is a deficient number, since it is larger than the sum of its proper divisors (1).

361003081 is an equidigital number, since it uses as much as digits as its factorization.

361003081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 361003081 is about 19000.0810787744. The cubic root of 361003081 is about 712.0387615402.

The spelling of 361003081 in words is "three hundred sixty-one million, three thousand, eighty-one".