61825616 has 10 divisors (see below), whose sum is σ = 119787162. Its totient is φ = 30912800.

The previous prime is 61825609. The next prime is 61825619. The reversal of 61825616 is 61652816.

It is a happy number.

61825616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43507216 + 18318400 = 6596^2 + 4280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61825619) 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 as a sum of consecutive naturals, namely, 1932035 + ... + 1932066.

Almost surely, 2^61825616 is an apocalyptic number.

It is an amenable number.

61825616 is a deficient number, since it is larger than the sum of its proper divisors (57961546).

61825616 is a wasteful number, since it uses less digits than its factorization.

61825616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864109 (or 3864103 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 61825616 is about 7862.9266815862. The cubic root of 61825616 is about 395.4177410364.

The spelling of 61825616 in words is "sixty-one million, eight hundred twenty-five thousand, six hundred sixteen".