61255428 has 24 divisors (see below), whose sum is σ = 153924288. Its totient is φ = 18847776.

The previous prime is 61255427. The next prime is 61255451. The reversal of 61255428 is 82455216.

61255428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61255421) 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 7 ways as a sum of consecutive naturals, for example, 196176 + ... + 196487.

It is an arithmetic number, because the mean of its divisors is an integer number (6413512).

Almost surely, 2^61255428 is an apocalyptic number.

It is an amenable number.

61255428 is an abundant number, since it is smaller than the sum of its proper divisors (92668860).

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

61255428 is a wasteful number, since it uses less digits than its factorization.

61255428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392683 (or 392681 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 61255428 is about 7826.5846957661. The cubic root of 61255428 is about 394.1984021418.

The spelling of 61255428 in words is "sixty-one million, two hundred fifty-five thousand, four hundred twenty-eight".