61303825 has 24 divisors (see below), whose sum is σ = 85798080. Its totient is φ = 43041600.

The previous prime is 61303817. The next prime is 61303829. The reversal of 61303825 is 52830316.

61303825 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 61303825 - 2³ = 61303817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61303793 and 61303802.

It is not an unprimeable number, because it can be changed into a prime (61303829) 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 23 ways as a sum of consecutive naturals, for example, 4132 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (3574920).

Almost surely, 2^61303825 is an apocalyptic number.

It is an amenable number.

61303825 is a deficient number, since it is larger than the sum of its proper divisors (24494255).

61303825 is a wasteful number, since it uses less digits than its factorization.

61303825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737 (or 7732 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 61303825 is about 7829.6759192191. The cubic root of 61303825 is about 394.3021915717.

It can be divided in two parts, 61303 and 825, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 61303825 in words is "sixty-one million, three hundred three thousand, eight hundred twenty-five".