61288171 has 6 divisors (see below), whose sum is σ = 71294460. Its totient is φ = 52532676.

The previous prime is 61288127. The next prime is 61288211. The reversal of 61288171 is 17188216.

It is not a de Polignac number, because 61288171 - 2¹⁹ = 60763883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61282171) 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 5 ways as a sum of consecutive naturals, for example, 625341 + ... + 625438.

It is an arithmetic number, because the mean of its divisors is an integer number (11882410).

Almost surely, 2^61288171 is an apocalyptic number.

61288171 is a deficient number, since it is larger than the sum of its proper divisors (10006289).

61288171 is a wasteful number, since it uses less digits than its factorization.

61288171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250793 (or 1250786 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 61288171 is about 7828.6761971613. The cubic root of 61288171 is about 394.2686268800.

The spelling of 61288171 in words is "sixty-one million, two hundred eighty-eight thousand, one hundred seventy-one".