61012546 has 12 divisors (see below), whose sum is σ = 106460838. Its totient is φ = 26148192.

The previous prime is 61012543. The next prime is 61012547. The reversal of 61012546 is 64521016.

61012546 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., 37344321 + 23668225 = 6111^2 + 4865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61012546.

It is not an unprimeable number, because it can be changed into a prime (61012543) 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 5 ways as a sum of consecutive naturals, for example, 311191 + ... + 311386.

Almost surely, 2^61012546 is an apocalyptic number.

61012546 is a deficient number, since it is larger than the sum of its proper divisors (45448292).

61012546 is a wasteful number, since it uses less digits than its factorization.

61012546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622593 (or 622586 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61012546 is about 7811.0528099610. The cubic root of 61012546 is about 393.6767040524.

The spelling of 61012546 in words is "sixty-one million, twelve thousand, five hundred forty-six".