61097875 has 16 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 48364800.

The previous prime is 61097873. The next prime is 61097893. The reversal of 61097875 is 57879016.

61097875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61097875 - 2¹ = 61097873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61097873) 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 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 14644.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^61097875 is an apocalyptic number.

61097875 is a deficient number, since it is larger than the sum of its proper divisors (15953645).

61097875 is an equidigital number, since it uses as much as digits as its factorization.

61097875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5141 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 61097875 is about 7816.5129693489. The cubic root of 61097875 is about 393.8601438737.

The spelling of 61097875 in words is "sixty-one million, ninety-seven thousand, eight hundred seventy-five".