61406171 has 4 divisors (see below), whose sum is σ = 62564832. Its totient is φ = 60247512.

The previous prime is 61406167. The next prime is 61406179. The reversal of 61406171 is 17160416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61406171 - 2² = 61406167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61406171.

It is not an unprimeable number, because it can be changed into a prime (61406179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579251 + ... + 579356.

It is an arithmetic number, because the mean of its divisors is an integer number (15641208).

Almost surely, 2^61406171 is an apocalyptic number.

61406171 is a deficient number, since it is larger than the sum of its proper divisors (1158661).

61406171 is a wasteful number, since it uses less digits than its factorization.

61406171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158660.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 61406171 is about 7836.2089686276. The cubic root of 61406171 is about 394.5214971662.

Adding to 61406171 its reverse (17160416), we get a palindrome (78566587).

The spelling of 61406171 in words is "sixty-one million, four hundred six thousand, one hundred seventy-one".