61284582 has 24 divisors (see below), whose sum is σ = 137067840. Its totient is φ = 19769040.

The previous prime is 61284563. The next prime is 61284583. The reversal of 61284582 is 28548216.

61284582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61284583) 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 11 ways as a sum of consecutive naturals, for example, 54357 + ... + 55472.

It is an arithmetic number, because the mean of its divisors is an integer number (5711160).

Almost surely, 2^61284582 is an apocalyptic number.

61284582 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61284582 is an abundant number, since it is smaller than the sum of its proper divisors (75783258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61284582 is a wasteful number, since it uses less digits than its factorization.

61284582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109868 (or 109865 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 61284582 is about 7828.4469724205. The cubic root of 61284582 is about 394.2609306818.

The spelling of 61284582 in words is "sixty-one million, two hundred eighty-four thousand, five hundred eighty-two".