61395275 has 6 divisors (see below), whose sum is σ = 76130172. Its totient is φ = 49116200.

The previous prime is 61395239. The next prime is 61395293. The reversal of 61395275 is 57259316.

It is a happy number.

61395275 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 61395275 - 2¹⁰ = 61394251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1227881 + ... + 1227930.

It is an arithmetic number, because the mean of its divisors is an integer number (12688362).

Almost surely, 2^61395275 is an apocalyptic number.

61395275 is a deficient number, since it is larger than the sum of its proper divisors (14734897).

61395275 is a wasteful number, since it uses less digits than its factorization.

61395275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455821 (or 2455816 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 61395275 is about 7835.5137036445. The cubic root of 61395275 is about 394.4981609638.

The spelling of 61395275 in words is "sixty-one million, three hundred ninety-five thousand, two hundred seventy-five".