61280548 has 48 divisors (see below), whose sum is σ = 130170880. Its totient is φ = 24657696.

The previous prime is 61280503. The next prime is 61280551. The reversal of 61280548 is 84508216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67111 + ... + 68017.

Almost surely, 2^61280548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61280548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65085440).

61280548 is an abundant number, since it is smaller than the sum of its proper divisors (68890332).

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

61280548 is a wasteful number, since it uses less digits than its factorization.

61280548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 61280548 is about 7828.1893180990. The cubic root of 61280548 is about 394.2522798736.

The spelling of 61280548 in words is "sixty-one million, two hundred eighty thousand, five hundred forty-eight".