61612052 has 12 divisors (see below), whose sum is σ = 107878260. Its totient is φ = 30789696.

The previous prime is 61612039. The next prime is 61612081. The reversal of 61612052 is 25021616.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 21492496 = 6334^2 + 4636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9224 + ... + 14432.

It is an arithmetic number, because the mean of its divisors is an integer number (8989855).

Almost surely, 2^61612052 is an apocalyptic number.

It is an amenable number.

61612052 is a deficient number, since it is larger than the sum of its proper divisors (46266208).

61612052 is a wasteful number, since it uses less digits than its factorization.

61612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170 (or 8168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 61612052 is about 7849.3344940829. The cubic root of 61612052 is about 394.9619190976.

Adding to 61612052 its reverse (25021616), we get a palindrome (86633668).

The spelling of 61612052 in words is "sixty-one million, six hundred twelve thousand, fifty-two".