61275843 has 6 divisors (see below), whose sum is σ = 88509564. Its totient is φ = 40850556.

The previous prime is 61275793. The next prime is 61275847. The reversal of 61275843 is 34857216.

It is not a de Polignac number, because 61275843 - 2¹⁴ = 61259459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61275798 and 61275807.

It is not an unprimeable number, because it can be changed into a prime (61275847) 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 5 ways as a sum of consecutive naturals, for example, 3404205 + ... + 3404222.

It is an arithmetic number, because the mean of its divisors is an integer number (14751594).

Almost surely, 2^61275843 is an apocalyptic number.

61275843 is a deficient number, since it is larger than the sum of its proper divisors (27233721).

61275843 is a wasteful number, since it uses less digits than its factorization.

61275843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808433 (or 6808430 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 61275843 is about 7827.8887958376. Note that the first 3 decimals coincide. The cubic root of 61275843 is about 394.2421896437.

The spelling of 61275843 in words is "sixty-one million, two hundred seventy-five thousand, eight hundred forty-three".