61208471 has 8 divisors (see below), whose sum is σ = 63477024. Its totient is φ = 58972320.

The previous prime is 61208467. The next prime is 61208501. The reversal of 61208471 is 17480216.

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 61208471 - 2² = 61208467 is a prime.

It is a super-3 number, since 3×61208471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61208431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 11841.

It is an arithmetic number, because the mean of its divisors is an integer number (7934628).

Almost surely, 2^61208471 is an apocalyptic number.

61208471 is a deficient number, since it is larger than the sum of its proper divisors (2268553).

61208471 is a wasteful number, since it uses less digits than its factorization.

61208471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16201.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 61208471 is about 7823.5842808779. The cubic root of 61208471 is about 394.0976485875.

Adding to 61208471 its reverse (17480216), we get a palindrome (78688687).

The spelling of 61208471 in words is "sixty-one million, two hundred eight thousand, four hundred seventy-one".