61061875 has 40 divisors (see below), whose sum is σ = 92445408. Its totient is φ = 39360000.

The previous prime is 61061867. The next prime is 61061881. The reversal of 61061875 is 57816016.

It is not a de Polignac number, because 61061875 - 2³ = 61061867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61061875.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 73965 + ... + 74785.

Almost surely, 2^61061875 is an apocalyptic number.

61061875 is a deficient number, since it is larger than the sum of its proper divisors (31383533).

61061875 is an equidigital number, since it uses as much as digits as its factorization.

61061875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 61061875 is about 7814.2098128986. The cubic root of 61061875 is about 393.7827721106.

The spelling of 61061875 in words is "sixty-one million, sixty-one thousand, eight hundred seventy-five".