360056561 has 4 divisors (see below), whose sum is σ = 360162624. Its totient is φ = 359950500.

The previous prime is 360056503. The next prime is 360056597. The reversal of 360056561 is 165650063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165650063 = 67 ⋅2472389.

It is a cyclic number.

It is not a de Polignac number, because 360056561 - 2¹⁰ = 360055537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (360056161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47765 + ... + 54786.

It is an arithmetic number, because the mean of its divisors is an integer number (90040656).

Almost surely, 2^360056561 is an apocalyptic number.

It is an amenable number.

360056561 is a deficient number, since it is larger than the sum of its proper divisors (106063).

360056561 is a wasteful number, since it uses less digits than its factorization.

360056561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106062.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 360056561 is about 18975.1564156926. The cubic root of 360056561 is about 711.4159147697.

The spelling of 360056561 in words is "three hundred sixty million, fifty-six thousand, five hundred sixty-one".