5251072 has 28 divisors (see below), whose sum is σ = 10517886. Its totient is φ = 2621440.

The previous prime is 5251039. The next prime is 5251097. The reversal of 5251072 is 2701525.

It can be written as a sum of positive squares in only one way, i.e., 3444736 + 1806336 = 1856^2 + 1344^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7872 + ... + 8512.

Almost surely, 2^5251072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5258943).

5251072 is an abundant number, since it is smaller than the sum of its proper divisors (5266814).

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

5251072 is an frugal number, since it uses more digits than its factorization.

5251072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 5251072 is about 2291.5217651159. The cubic root of 5251072 is about 173.8131609649.

Adding to 5251072 its reverse (2701525), we get a palindrome (7952597).

The spelling of 5251072 in words is "five million, two hundred fifty-one thousand, seventy-two".