61149065 has 8 divisors (see below), whose sum is σ = 76569408. Its totient is φ = 46792240.

The previous prime is 61149061. The next prime is 61149073. The reversal of 61149065 is 56094116.

61149065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61149065 - 2² = 61149061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61149061) 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 7 ways as a sum of consecutive naturals, for example, 265751 + ... + 265980.

It is an arithmetic number, because the mean of its divisors is an integer number (9571176).

Almost surely, 2^61149065 is an apocalyptic number.

It is an amenable number.

61149065 is a deficient number, since it is larger than the sum of its proper divisors (15420343).

61149065 is a wasteful number, since it uses less digits than its factorization.

61149065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531759.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 61149065 is about 7819.7867617986. The cubic root of 61149065 is about 393.9701099058.

The spelling of 61149065 in words is "sixty-one million, one hundred forty-nine thousand, sixty-five".