61304317 has 4 divisors (see below), whose sum is σ = 64530880. Its totient is φ = 58077756.

The previous prime is 61304303. The next prime is 61304333. The reversal of 61304317 is 71340316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-61304317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61304291 and 61304300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613253 + ... + 1613290.

It is an arithmetic number, because the mean of its divisors is an integer number (16132720).

Almost surely, 2^61304317 is an apocalyptic number.

It is an amenable number.

61304317 is a deficient number, since it is larger than the sum of its proper divisors (3226563).

61304317 is a wasteful number, since it uses less digits than its factorization.

61304317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226562.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61304317 is about 7829.7073380810. The cubic root of 61304317 is about 394.3032464061.

The spelling of 61304317 in words is "sixty-one million, three hundred four thousand, three hundred seventeen".