61472171 has 2 divisors, whose sum is σ = 61472172. Its totient is φ = 61472170.

The previous prime is 61472137. The next prime is 61472189. The reversal of 61472171 is 17127416.

61472171 is nontrivially palindromic in base 4.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61472171 - 2¹⁴ = 61455787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61402171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30736085 + 30736086.

It is an arithmetic number, because the mean of its divisors is an integer number (30736086).

Almost surely, 2^61472171 is an apocalyptic number.

61472171 is a deficient number, since it is larger than the sum of its proper divisors (1).

61472171 is an equidigital number, since it uses as much as digits as its factorization.

61472171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 29.

The square root of 61472171 is about 7840.4190576780. The cubic root of 61472171 is about 394.6627918448.

Adding to 61472171 its reverse (17127416), we get a palindrome (78599587).

The spelling of 61472171 in words is "sixty-one million, four hundred seventy-two thousand, one hundred seventy-one".