61826305 has 4 divisors (see below), whose sum is σ = 74191572. Its totient is φ = 49461040.

The previous prime is 61826299. The next prime is 61826309. The reversal of 61826305 is 50362816.

61826305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31708161 + 30118144 = 5631^2 + 5488^2 .

It is not a de Polignac number, because 61826305 - 2⁵ = 61826273 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61826309) 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, 6182626 + ... + 6182635.

It is an arithmetic number, because the mean of its divisors is an integer number (18547893).

Almost surely, 2^61826305 is an apocalyptic number.

It is an amenable number.

61826305 is a deficient number, since it is larger than the sum of its proper divisors (12365267).

61826305 is a wasteful number, since it uses less digits than its factorization.

61826305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365266.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 61826305 is about 7862.9704946668. The cubic root of 61826305 is about 395.4192099088.

The spelling of 61826305 in words is "sixty-one million, eight hundred twenty-six thousand, three hundred five".