51000130 has 16 divisors (see below), whose sum is σ = 92352960. Its totient is φ = 20277232.

The previous prime is 51000127. The next prime is 51000133. The reversal of 51000130 is 3100015.

It is an interprime number because it is at equal distance from previous prime (51000127) and next prime (51000133).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (51000133) 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, 13600 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (5772060).

Almost surely, 2^51000130 is an apocalyptic number.

51000130 is a deficient number, since it is larger than the sum of its proper divisors (41352830).

51000130 is a wasteful number, since it uses less digits than its factorization.

51000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30713.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 51000130 is about 7141.4375303576. The cubic root of 51000130 is about 370.8432920217.

Adding to 51000130 its reverse (3100015), we get a palindrome (54100145).

The spelling of 51000130 in words is "fifty-one million, one hundred thirty", and thus it is an aban number.