61304133 has 8 divisors (see below), whose sum is σ = 89169696. Its totient is φ = 37154000.

The previous prime is 61304123. The next prime is 61304141. The reversal of 61304133 is 33140316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61304133 - 2¹⁷ = 61173061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928818 + ... + 928883.

It is an arithmetic number, because the mean of its divisors is an integer number (11146212).

Almost surely, 2^61304133 is an apocalyptic number.

It is an amenable number.

61304133 is a deficient number, since it is larger than the sum of its proper divisors (27865563).

61304133 is a wasteful number, since it uses less digits than its factorization.

61304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857715.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 61304133 is about 7829.6955879523. The cubic root of 61304133 is about 394.3028519159.

Adding to 61304133 its reverse (33140316), we get a palindrome (94444449).

The spelling of 61304133 in words is "sixty-one million, three hundred four thousand, one hundred thirty-three".