561270317 has 8 divisors (see below), whose sum is σ = 625564800. Its totient is φ = 500451264.

The previous prime is 561270313. The next prime is 561270329. The reversal of 561270317 is 713072165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561270317 - 2² = 561270313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561270313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868517 + ... + 869162.

It is an arithmetic number, because the mean of its divisors is an integer number (78195600).

Almost surely, 2^561270317 is an apocalyptic number.

It is an amenable number.

561270317 is a deficient number, since it is larger than the sum of its proper divisors (64294483).

561270317 is a wasteful number, since it uses less digits than its factorization.

561270317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737715.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 561270317 is about 23691.1442737577. The cubic root of 561270317 is about 824.8798439028.

The spelling of 561270317 in words is "five hundred sixty-one million, two hundred seventy thousand, three hundred seventeen".