61164317 has 4 divisors (see below), whose sum is σ = 64762236. Its totient is φ = 57566400.

The previous prime is 61164307. The next prime is 61164319. The reversal of 61164317 is 71346116.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 14638276 = 6821^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 61164317 - 2¹⁶ = 61098781 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 61164317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61164319) 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, 1798934 + ... + 1798967.

It is an arithmetic number, because the mean of its divisors is an integer number (16190559).

Almost surely, 2^61164317 is an apocalyptic number.

It is an amenable number.

61164317 is a deficient number, since it is larger than the sum of its proper divisors (3597919).

61164317 is a wasteful number, since it uses less digits than its factorization.

61164317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597918.

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

The square root of 61164317 is about 7820.7619194040. The cubic root of 61164317 is about 394.0028622878.

The spelling of 61164317 in words is "sixty-one million, one hundred sixty-four thousand, three hundred seventeen".