183214561 has 6 divisors (see below), whose sum is σ = 183841250. Its totient is φ = 182589888.

The previous prime is 183214543. The next prime is 183214571. The reversal of 183214561 is 165412381.

It can be written as a sum of positive squares in only one way, i.e., 150209536 + 33005025 = 12256^2 + 5745^2 .

It is a de Polignac number, because none of the positive numbers 2^k-183214561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183214501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146065 + ... + 147313.

Almost surely, 2^183214561 is an apocalyptic number.

It is an amenable number.

183214561 is a deficient number, since it is larger than the sum of its proper divisors (626689).

183214561 is an frugal number, since it uses more digits than its factorization.

183214561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 1632 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 183214561 is about 13535.6773380574. The cubic root of 183214561 is about 567.9629358626.

The spelling of 183214561 in words is "one hundred eighty-three million, two hundred fourteen thousand, five hundred sixty-one".