61488171 has 12 divisors (see below), whose sum is σ = 89210472. Its totient is φ = 40810176.

The previous prime is 61488169. The next prime is 61488181. The reversal of 61488171 is 17188416.

61488171 is a `hidden beast` number, since 6 + 1 + 488 + 171 = 666.

It is not a de Polignac number, because 61488171 - 2¹ = 61488169 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61488181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13006 + ... + 17091.

It is an arithmetic number, because the mean of its divisors is an integer number (7434206).

Almost surely, 2^61488171 is an apocalyptic number.

61488171 is a deficient number, since it is larger than the sum of its proper divisors (27722301).

61488171 is a wasteful number, since it uses less digits than its factorization.

61488171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30330 (or 30327 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 61488171 is about 7841.4393449162. The cubic root of 61488171 is about 394.6970298683.

The spelling of 61488171 in words is "sixty-one million, four hundred eighty-eight thousand, one hundred seventy-one".