61716201 has 16 divisors (see below), whose sum is σ = 84191040. Its totient is φ = 40201920.

The previous prime is 61716197. The next prime is 61716203. The reversal of 61716201 is 10261716.

It is not a de Polignac number, because 61716201 - 2² = 61716197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61716203) 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 15 ways as a sum of consecutive naturals, for example, 28795 + ... + 30863.

It is an arithmetic number, because the mean of its divisors is an integer number (5261940).

Almost surely, 2^61716201 is an apocalyptic number.

61716201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61716201 is a deficient number, since it is larger than the sum of its proper divisors (22474839).

61716201 is a wasteful number, since it uses less digits than its factorization.

61716201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 61716201 is about 7855.9659495189. The cubic root of 61716201 is about 395.1843416659.

Adding to 61716201 its reverse (10261716), we get a palindrome (71977917).

The spelling of 61716201 in words is "sixty-one million, seven hundred sixteen thousand, two hundred one".