61106201 has 16 divisors (see below), whose sum is σ = 67370688. Its totient is φ = 55080000.

The previous prime is 61106189. The next prime is 61106231. The reversal of 61106201 is 10260116.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61106201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 61106201.

It is not an unprimeable number, because it can be changed into a prime (61106231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198890 + ... + 199196.

It is an arithmetic number, because the mean of its divisors is an integer number (4210668).

Almost surely, 2^61106201 is an apocalyptic number.

61106201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61106201 is a deficient number, since it is larger than the sum of its proper divisors (6264487).

61106201 is a wasteful number, since it uses less digits than its factorization.

61106201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 61106201 is about 7817.0455416353. The cubic root of 61106201 is about 393.8780339155.

Adding to 61106201 its reverse (10260116), we get a palindrome (71366317).

The spelling of 61106201 in words is "sixty-one million, one hundred six thousand, two hundred one".