61252428 has 48 divisors (see below), whose sum is σ = 159304320. Its totient is φ = 18203904.

The previous prime is 61252403. The next prime is 61252439. The reversal of 61252428 is 82425216.

61252428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61252395 and 61252404.

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 15 ways as a sum of consecutive naturals, for example, 4026 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (3318840).

Almost surely, 2^61252428 is an apocalyptic number.

61252428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61252428 is an abundant number, since it is smaller than the sum of its proper divisors (98051892).

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

61252428 is a wasteful number, since it uses less digits than its factorization.

61252428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846 (or 15844 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 61252428 is about 7826.3930389420. The cubic root of 61252428 is about 394.1919667147.

The spelling of 61252428 in words is "sixty-one million, two hundred fifty-two thousand, four hundred twenty-eight".