51010317 has 28 divisors (see below), whose sum is σ = 77122080. Its totient is φ = 33722568.

The previous prime is 51010313. The next prime is 51010321. The reversal of 51010317 is 71301015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51010313) and next prime (51010321).

It is not a de Polignac number, because 51010317 - 2² = 51010313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51010317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010313) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 121534 + ... + 121952.

It is an arithmetic number, because the mean of its divisors is an integer number (2754360).

Almost surely, 2^51010317 is an apocalyptic number.

It is an amenable number.

51010317 is a deficient number, since it is larger than the sum of its proper divisors (26111763).

51010317 is an equidigital number, since it uses as much as digits as its factorization.

51010317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 51010317 is about 7142.1507264969. The cubic root of 51010317 is about 370.8679816915.

The spelling of 51010317 in words is "fifty-one million, ten thousand, three hundred seventeen".