182065921 has 4 divisors (see below), whose sum is σ = 185939712. Its totient is φ = 178192132.

The previous prime is 182065889. The next prime is 182065951. The reversal of 182065921 is 129560281.

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.

It is a cyclic number.

It is not a de Polignac number, because 182065921 - 2⁵ = 182065889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182065951) 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, 1936825 + ... + 1936918.

It is an arithmetic number, because the mean of its divisors is an integer number (46484928).

Almost surely, 2^182065921 is an apocalyptic number.

It is an amenable number.

182065921 is a deficient number, since it is larger than the sum of its proper divisors (3873791).

182065921 is an equidigital number, since it uses as much as digits as its factorization.

182065921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873790.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 182065921 is about 13493.1805368490. The cubic root of 182065921 is about 566.7735233704.

The spelling of 182065921 in words is "one hundred eighty-two million, sixty-five thousand, nine hundred twenty-one".