61017107 has 4 divisors (see below), whose sum is σ = 62666256. Its totient is φ = 59367960.

The previous prime is 61017067. The next prime is 61017127. The reversal of 61017107 is 70171016.

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 61017107 - 2¹⁰ = 61016083 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61017127) 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 3 ways as a sum of consecutive naturals, for example, 824519 + ... + 824592.

It is an arithmetic number, because the mean of its divisors is an integer number (15666564).

Almost surely, 2^61017107 is an apocalyptic number.

61017107 is a deficient number, since it is larger than the sum of its proper divisors (1649149).

61017107 is a wasteful number, since it uses less digits than its factorization.

61017107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649148.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 61017107 is about 7811.3447625873. The cubic root of 61017107 is about 393.6865135906.

The spelling of 61017107 in words is "sixty-one million, seventeen thousand, one hundred seven".