61471163 has 4 divisors (see below), whose sum is σ = 66199728. Its totient is φ = 56742600.

The previous prime is 61471153. The next prime is 61471187. The reversal of 61471163 is 36117416.

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 61471163 - 2⁸ = 61470907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61471153) 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, 2364263 + ... + 2364288.

It is an arithmetic number, because the mean of its divisors is an integer number (16549932).

Almost surely, 2^61471163 is an apocalyptic number.

61471163 is a deficient number, since it is larger than the sum of its proper divisors (4728565).

61471163 is a wasteful number, since it uses less digits than its factorization.

61471163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728564.

The product of its digits is 3024, while the sum is 29.

The square root of 61471163 is about 7840.3547751361. The cubic root of 61471163 is about 394.6606346504.

Adding to 61471163 its reverse (36117416), we get a palindrome (97588579).

The spelling of 61471163 in words is "sixty-one million, four hundred seventy-one thousand, one hundred sixty-three".