61000052 has 12 divisors (see below), whose sum is σ = 107310336. Its totient is φ = 30339960.

The previous prime is 61000039. The next prime is 61000091. The reversal of 61000052 is 25000016.

61000052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 39158 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (8942528).

Almost surely, 2^61000052 is an apocalyptic number.

It is an amenable number.

61000052 is a deficient number, since it is larger than the sum of its proper divisors (46310284).

61000052 is a wasteful number, since it uses less digits than its factorization.

61000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80038 (or 80036 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 61000052 is about 7810.2530048648. The cubic root of 61000052 is about 393.6498301669.

Adding to 61000052 its reverse (25000016), we get a palindrome (86000068).

The spelling of 61000052 in words is "sixty-one million, fifty-two", and thus it is an aban number and an uban number.