61159075 has 6 divisors (see below), whose sum is σ = 75837284. Its totient is φ = 48927240.

The previous prime is 61159073. The next prime is 61159121. The reversal of 61159075 is 57095116.

It is not a de Polignac number, because 61159075 - 2¹ = 61159073 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 61159075.

It is not an unprimeable number, because it can be changed into a prime (61159073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223157 + ... + 1223206.

Almost surely, 2^61159075 is an apocalyptic number.

61159075 is a deficient number, since it is larger than the sum of its proper divisors (14678209).

61159075 is a wasteful number, since it uses less digits than its factorization.

61159075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446373 (or 2446368 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 61159075 is about 7820.4267786355. The cubic root of 61159075 is about 393.9916061496.

The spelling of 61159075 in words is "sixty-one million, one hundred fifty-nine thousand, seventy-five".