61682911 has 4 divisors (see below), whose sum is σ = 64929400. Its totient is φ = 58436424.

The previous prime is 61682903. The next prime is 61682917. The reversal of 61682911 is 11928616.

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

It is a cyclic number.

It is not a de Polignac number, because 61682911 - 2³ = 61682903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61682917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623216 + ... + 1623253.

It is an arithmetic number, because the mean of its divisors is an integer number (16232350).

Almost surely, 2^61682911 is an apocalyptic number.

61682911 is a deficient number, since it is larger than the sum of its proper divisors (3246489).

61682911 is a wasteful number, since it uses less digits than its factorization.

61682911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246488.

The product of its digits is 5184, while the sum is 34.

The square root of 61682911 is about 7853.8468918104. The cubic root of 61682911 is about 395.1132741415.

The spelling of 61682911 in words is "sixty-one million, six hundred eighty-two thousand, nine hundred eleven".