361538081 has 8 divisors (see below), whose sum is σ = 378954240. Its totient is φ = 344263392.

The previous prime is 361538077. The next prime is 361538131. The reversal of 361538081 is 180835163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361538081 - 2² = 361538077 is a prime.

It is a super-2 number, since 2×361538081² = 261419568026325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361538071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30116 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (47369280).

Almost surely, 2^361538081 is an apocalyptic number.

It is an amenable number.

361538081 is a deficient number, since it is larger than the sum of its proper divisors (17416159).

361538081 is a wasteful number, since it uses less digits than its factorization.

361538081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70735.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 361538081 is about 19014.1547537617. The cubic root of 361538081 is about 712.3903307556.

The spelling of 361538081 in words is "three hundred sixty-one million, five hundred thirty-eight thousand, eighty-one".