182491013 has 4 divisors (see below), whose sum is σ = 182526540. Its totient is φ = 182455488.

The previous prime is 182491009. The next prime is 182491019. The reversal of 182491013 is 310194281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110292004 + 72199009 = 10502^2 + 8497^2 .

It is a cyclic number.

It is not a de Polignac number, because 182491013 - 2² = 182491009 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 (182491019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420 + ... + 20877.

It is an arithmetic number, because the mean of its divisors is an integer number (45631635).

Almost surely, 2^182491013 is an apocalyptic number.

It is an amenable number.

182491013 is a deficient number, since it is larger than the sum of its proper divisors (35527).

182491013 is an equidigital number, since it uses as much as digits as its factorization.

182491013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35526.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 182491013 is about 13508.9234582183. The cubic root of 182491013 is about 567.2142861111.

The spelling of 182491013 in words is "one hundred eighty-two million, four hundred ninety-one thousand, thirteen".