61012552 has 8 divisors (see below), whose sum is σ = 114398550. Its totient is φ = 30506272.

The previous prime is 61012547. The next prime is 61012559. The reversal of 61012552 is 25521016.

61012552 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., 60000516 + 1012036 = 7746^2 + 1006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61012559) 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, 3813277 + ... + 3813292.

Almost surely, 2^61012552 is an apocalyptic number.

It is an amenable number.

61012552 is a deficient number, since it is larger than the sum of its proper divisors (53385998).

61012552 is a wasteful number, since it uses less digits than its factorization.

61012552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626575 (or 7626571 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 61012552 is about 7811.0531940322. The cubic root of 61012552 is about 393.6767169572.

Adding to 61012552 its reverse (25521016), we get a palindrome (86533568).

The spelling of 61012552 in words is "sixty-one million, twelve thousand, five hundred fifty-two".