5151630 has 64 divisors (see below), whose sum is σ = 13747968. Its totient is φ = 1224960.

The previous prime is 5151617. The next prime is 5151637. The reversal of 5151630 is 361515.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5151597 and 5151606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21994 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (214812).

Almost surely, 2^5151630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5151630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6873984).

5151630 is an abundant number, since it is smaller than the sum of its proper divisors (8596338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5151630 is a wasteful number, since it uses less digits than its factorization.

5151630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 5151630 is about 2269.7202470789. The cubic root of 5151630 is about 172.7089675053.

It can be divided in two parts, 515 and 1630, that added together give a triangular number (2145 = T₆₅).

The spelling of 5151630 in words is "five million, one hundred fifty-one thousand, six hundred thirty".