361033561 has 8 divisors (see below), whose sum is σ = 414684800. Its totient is φ = 307901088.

The previous prime is 361033549. The next prime is 361033583. The reversal of 361033561 is 165330163.

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 361033561 - 2⁵ = 361033529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361033501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128196 + ... + 130981.

It is an arithmetic number, because the mean of its divisors is an integer number (51835600).

Almost surely, 2^361033561 is an apocalyptic number.

It is an amenable number.

361033561 is a deficient number, since it is larger than the sum of its proper divisors (53651239).

361033561 is a wasteful number, since it uses less digits than its factorization.

361033561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259383.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 361033561 is about 19000.8831636848. The cubic root of 361033561 is about 712.0588004557.

The spelling of 361033561 in words is "three hundred sixty-one million, thirty-three thousand, five hundred sixty-one".