51130246 has 8 divisors (see below), whose sum is σ = 77840280. Its totient is φ = 25183488.

The previous prime is 51130243. The next prime is 51130249. The reversal of 51130246 is 64203115.

It is an interprime number because it is at equal distance from previous prime (51130243) and next prime (51130249).

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

It is a super-2 number, since 2×51130246² = 5228604112041032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51130243) 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, 190651 + ... + 190918.

It is an arithmetic number, because the mean of its divisors is an integer number (9730035).

Almost surely, 2^51130246 is an apocalyptic number.

51130246 is a deficient number, since it is larger than the sum of its proper divisors (26710034).

51130246 is a wasteful number, since it uses less digits than its factorization.

51130246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381638.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51130246 is about 7150.5416578047. The cubic root of 51130246 is about 371.1584001622.

The spelling of 51130246 in words is "fifty-one million, one hundred thirty thousand, two hundred forty-six".