61163275 has 12 divisors (see below), whose sum is σ = 76330432. Its totient is φ = 48615840.

The previous prime is 61163273. The next prime is 61163317. The reversal of 61163275 is 57236116.

61163275 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 61163275 - 2¹ = 61163273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61163273) 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 11 ways as a sum of consecutive naturals, for example, 3867 + ... + 11716.

Almost surely, 2^61163275 is an apocalyptic number.

61163275 is a deficient number, since it is larger than the sum of its proper divisors (15167157).

61163275 is a wasteful number, since it uses less digits than its factorization.

61163275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750 (or 15745 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 61163275 is about 7820.6953015701. The cubic root of 61163275 is about 394.0006248541. Note that the first 3 decimals are identical.

The spelling of 61163275 in words is "sixty-one million, one hundred sixty-three thousand, two hundred seventy-five".