61275471 has 8 divisors (see below), whose sum is σ = 82116144. Its totient is φ = 40642560.

The previous prime is 61275469. The next prime is 61275491. The reversal of 61275471 is 17457216.

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

It is not a de Polignac number, because 61275471 - 2¹ = 61275469 is a prime.

It is a super-3 number, since 3×61275471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61275491) 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, 51250 + ... + 52431.

It is an arithmetic number, because the mean of its divisors is an integer number (10264518).

Almost surely, 2^61275471 is an apocalyptic number.

61275471 is a deficient number, since it is larger than the sum of its proper divisors (20840673).

61275471 is a wasteful number, since it uses less digits than its factorization.

61275471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103881.

The product of its digits is 11760, while the sum is 33.

The square root of 61275471 is about 7827.8650346055. The cubic root of 61275471 is about 394.2413918395.

The spelling of 61275471 in words is "sixty-one million, two hundred seventy-five thousand, four hundred seventy-one".