61382489 has 8 divisors (see below), whose sum is σ = 70296000. Its totient is φ = 52505136.

The previous prime is 61382467. The next prime is 61382491. The reversal of 61382489 is 98428316.

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 61382489 - 2¹² = 61378393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61382429) 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, 5294 + ... + 12279.

It is an arithmetic number, because the mean of its divisors is an integer number (8787000).

Almost surely, 2^61382489 is an apocalyptic number.

It is an amenable number.

61382489 is a deficient number, since it is larger than the sum of its proper divisors (8913511).

61382489 is a wasteful number, since it uses less digits than its factorization.

61382489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079.

The product of its digits is 82944, while the sum is 41.

The square root of 61382489 is about 7834.6977606031. The cubic root of 61382489 is about 394.4707733856.

The spelling of 61382489 in words is "sixty-one million, three hundred eighty-two thousand, four hundred eighty-nine".