18082461 has 4 divisors (see below), whose sum is σ = 24109952. Its totient is φ = 12054972.

The previous prime is 18082453. The next prime is 18082481. The reversal of 18082461 is 16428081.

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 not a de Polignac number, because 18082461 - 2³ = 18082453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082411) 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, 3013741 + ... + 3013746.

It is an arithmetic number, because the mean of its divisors is an integer number (6027488).

Almost surely, 2^18082461 is an apocalyptic number.

It is an amenable number.

18082461 is a deficient number, since it is larger than the sum of its proper divisors (6027491).

18082461 is an equidigital number, since it uses as much as digits as its factorization.

18082461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027490.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18082461 is about 4252.3477045039. The cubic root of 18082461 is about 262.4737316118.

The spelling of 18082461 in words is "eighteen million, eighty-two thousand, four hundred sixty-one".