61600001 has 8 divisors (see below), whose sum is σ = 63145344. Its totient is φ = 60073200.

The previous prime is 61599991. The next prime is 61600009. The reversal of 61600001 is 10000616.

61600001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61600001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61600009) 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 7 ways as a sum of consecutive naturals, for example, 2216 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (7893168).

Almost surely, 2^61600001 is an apocalyptic number.

It is an amenable number.

61600001 is a deficient number, since it is larger than the sum of its proper divisors (1545343).

61600001 is a wasteful number, since it uses less digits than its factorization.

61600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 61600001 is about 7848.5668118453. The cubic root of 61600001 is about 394.9361665796.

Adding to 61600001 its reverse (10000616), we get a palindrome (71600617).

The spelling of 61600001 in words is "sixty-one million, six hundred thousand, one".