61755925 has 36 divisors (see below), whose sum is σ = 97199136. Its totient is φ = 38488800.

The previous prime is 61755913. The next prime is 61755929. The reversal of 61755925 is 52955716.

61755925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61755925 - 2⁷ = 61755797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61755929) 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 35 ways as a sum of consecutive naturals, for example, 11184 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (2699976).

Almost surely, 2^61755925 is an apocalyptic number.

It is an amenable number.

61755925 is a deficient number, since it is larger than the sum of its proper divisors (35443211).

61755925 is a wasteful number, since it uses less digits than its factorization.

61755925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618 (or 4606 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 61755925 is about 7858.4938124300. The cubic root of 61755925 is about 395.2691110653.

It can be divided in two parts, 6175 and 5925, that added together give a square (12100 = 110²).

The spelling of 61755925 in words is "sixty-one million, seven hundred fifty-five thousand, nine hundred twenty-five".