61104133 has 4 divisors (see below), whose sum is σ = 64320160. Its totient is φ = 57888108.

The previous prime is 61104101. The next prime is 61104143. The reversal of 61104133 is 33140116.

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 61104133 - 2⁵ = 61104101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 3216007 = 61104133 / (6 + 1 + 1 + 0 + 4 + 1 + 3 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61104133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61104143) 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, 1607985 + ... + 1608022.

It is an arithmetic number, because the mean of its divisors is an integer number (16080040).

Almost surely, 2^61104133 is an apocalyptic number.

It is an amenable number.

61104133 is a deficient number, since it is larger than the sum of its proper divisors (3216027).

61104133 is a wasteful number, since it uses less digits than its factorization.

61104133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216026.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61104133 is about 7816.9132654776. The cubic root of 61104133 is about 393.8735905641.

Adding to 61104133 its reverse (33140116), we get a palindrome (94244249).

The spelling of 61104133 in words is "sixty-one million, one hundred four thousand, one hundred thirty-three".