61050561 has 32 divisors (see below), whose sum is σ = 96647040. Its totient is φ = 33792000.

The previous prime is 61050547. The next prime is 61050571. The reversal of 61050561 is 16505016.

61050561 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 61050561 - 2¹³ = 61042369 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61050511) 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 31 ways as a sum of consecutive naturals, for example, 42625 + ... + 44033.

It is an arithmetic number, because the mean of its divisors is an integer number (3020220).

Almost surely, 2^61050561 is an apocalyptic number.

It is an amenable number.

61050561 is a deficient number, since it is larger than the sum of its proper divisors (35596479).

61050561 is a wasteful number, since it uses less digits than its factorization.

61050561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 61050561 is about 7813.4858417994. The cubic root of 61050561 is about 393.7584496045.

Adding to 61050561 its reverse (16505016), we get a palindrome (77555577).

The spelling of 61050561 in words is "sixty-one million, fifty thousand, five hundred sixty-one".