61465611 has 4 divisors (see below), whose sum is σ = 81954152. Its totient is φ = 40977072.

The previous prime is 61465603. The next prime is 61465631. The reversal of 61465611 is 11656416.

61465611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61465611 - 2³ = 61465603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61465631) 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 3 ways as a sum of consecutive naturals, for example, 10244266 + ... + 10244271.

It is an arithmetic number, because the mean of its divisors is an integer number (20488538).

Almost surely, 2^61465611 is an apocalyptic number.

61465611 is a deficient number, since it is larger than the sum of its proper divisors (20488541).

61465611 is a wasteful number, since it uses less digits than its factorization.

61465611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20488540.

The product of its digits is 4320, while the sum is 30.

The square root of 61465611 is about 7840.0007015306. Note that the first 3 decimals coincide. The cubic root of 61465611 is about 394.6487525380.

The spelling of 61465611 in words is "sixty-one million, four hundred sixty-five thousand, six hundred eleven".