61298256 has 40 divisors (see below), whose sum is σ = 166690720. Its totient is φ = 19357056.

The previous prime is 61298249. The next prime is 61298261. The reversal of 61298256 is 65289216.

61298256 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 an unprimeable number.

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, 32695 + ... + 34518.

It is an arithmetic number, because the mean of its divisors is an integer number (4167268).

Almost surely, 2^61298256 is an apocalyptic number.

It is an amenable number.

61298256 is an abundant number, since it is smaller than the sum of its proper divisors (105392464).

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

61298256 is a wasteful number, since it uses less digits than its factorization.

61298256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67243 (or 67237 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 61298256 is about 7829.3202770100. The cubic root of 61298256 is about 394.2902513956.

The spelling of 61298256 in words is "sixty-one million, two hundred ninety-eight thousand, two hundred fifty-six".