61933289 has 8 divisors (see below), whose sum is σ = 67724832. Its totient is φ = 56168640.

The previous prime is 61933271. The next prime is 61933297. The reversal of 61933289 is 98233916.

61933289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61933289 - 2¹² = 61929193 is a prime.

It is a super-3 number, since 3×61933289³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61033289) 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 7 ways as a sum of consecutive naturals, for example, 1739 + ... + 11264.

It is an arithmetic number, because the mean of its divisors is an integer number (8465604).

Almost surely, 2^61933289 is an apocalyptic number.

It is an amenable number.

61933289 is a deficient number, since it is larger than the sum of its proper divisors (5791543).

61933289 is a wasteful number, since it uses less digits than its factorization.

61933289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447.

The product of its digits is 69984, while the sum is 41.

The square root of 61933289 is about 7869.7705811542. The cubic root of 61933289 is about 395.6471557729.

The spelling of 61933289 in words is "sixty-one million, nine hundred thirty-three thousand, two hundred eighty-nine".