61712481 has 8 divisors (see below), whose sum is σ = 82345824. Its totient is φ = 41110400.

The previous prime is 61712479. The next prime is 61712491. The reversal of 61712481 is 18421716.

61712481 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 a cyclic number.

It is not a de Polignac number, because 61712481 - 2¹ = 61712479 is a prime.

It is a super-2 number, since 2×61712481² = 7616860622350722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61712471) 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, 2736 + ... + 11441.

It is an arithmetic number, because the mean of its divisors is an integer number (10293228).

Almost surely, 2^61712481 is an apocalyptic number.

It is an amenable number.

61712481 is a deficient number, since it is larger than the sum of its proper divisors (20633343).

61712481 is a wasteful number, since it uses less digits than its factorization.

61712481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15631.

The product of its digits is 2688, while the sum is 30.

The square root of 61712481 is about 7855.7291832140. The cubic root of 61712481 is about 395.1764014748.

The spelling of 61712481 in words is "sixty-one million, seven hundred twelve thousand, four hundred eighty-one".