61206063 has 4 divisors (see below), whose sum is σ = 81608088. Its totient is φ = 40804040.

The previous prime is 61206031. The next prime is 61206097. The reversal of 61206063 is 36060216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61206063 - 2⁵ = 61206031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61206463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10201008 + ... + 10201013.

It is an arithmetic number, because the mean of its divisors is an integer number (20402022).

Almost surely, 2^61206063 is an apocalyptic number.

61206063 is a deficient number, since it is larger than the sum of its proper divisors (20402025).

61206063 is a wasteful number, since it uses less digits than its factorization.

61206063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20402024.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 61206063 is about 7823.4303857068. The cubic root of 61206063 is about 394.0924804598.

Adding to 61206063 its reverse (36060216), we get a palindrome (97266279).

The spelling of 61206063 in words is "sixty-one million, two hundred six thousand, sixty-three".