61327633 has 4 divisors (see below), whose sum is σ = 61343668. Its totient is φ = 61311600.

The previous prime is 61327613. The next prime is 61327657. The reversal of 61327633 is 33672316.

61327633 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 46335249 + 14992384 = 6807^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 61327633 - 2⁹ = 61327121 is a prime.

It is a super-2 number, since 2×61327633² = 7522157138765378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61327595 and 61327604.

It is not an unprimeable number, because it can be changed into a prime (61327613) 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, 1435 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (15335917).

Almost surely, 2^61327633 is an apocalyptic number.

It is an amenable number.

61327633 is a deficient number, since it is larger than the sum of its proper divisors (16035).

61327633 is an equidigital number, since it uses as much as digits as its factorization.

61327633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034.

The product of its digits is 13608, while the sum is 31.

The square root of 61327633 is about 7831.1961410758. The cubic root of 61327633 is about 394.3532287981.

Adding to 61327633 its reverse (33672316), we get a palindrome (94999949).

The spelling of 61327633 in words is "sixty-one million, three hundred twenty-seven thousand, six hundred thirty-three".