61489063 has 8 divisors (see below), whose sum is σ = 63209808. Its totient is φ = 59789184.

The previous prime is 61489061. The next prime is 61489069. The reversal of 61489063 is 36098416.

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 61489063 - 2¹ = 61489061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61489061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (7901226).

Almost surely, 2^61489063 is an apocalyptic number.

61489063 is a deficient number, since it is larger than the sum of its proper divisors (1720745).

61489063 is a wasteful number, since it uses less digits than its factorization.

61489063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 61489063 is about 7841.4962220229. The cubic root of 61489063 is about 394.6989384633.

The spelling of 61489063 in words is "sixty-one million, four hundred eighty-nine thousand, sixty-three".