717350053 has 6 divisors (see below), whose sum is σ = 834468486. Its totient is φ = 614871432.

The previous prime is 717350033. The next prime is 717350069. The reversal of 717350053 is 350053717.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 717275524 + 74529 = 26782^2 + 273^2 .

It is a de Polignac number, because none of the positive numbers 2^k-717350053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 717349997 and 717350024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717350033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7319850 + ... + 7319947.

It is an arithmetic number, because the mean of its divisors is an integer number (139078081).

Almost surely, 2^717350053 is an apocalyptic number.

It is an amenable number.

717350053 is a deficient number, since it is larger than the sum of its proper divisors (117118433).

717350053 is a wasteful number, since it uses less digits than its factorization.

717350053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14639811 (or 14639804 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 717350053 is about 26783.3913647992. The cubic root of 717350053 is about 895.1800155988.

The spelling of 717350053 in words is "seven hundred seventeen million, three hundred fifty thousand, fifty-three".