5251122 has 32 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 1712304.

The previous prime is 5251097. The next prime is 5251123. The reversal of 5251122 is 2211525.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5251095 and 5251104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (372600).

Almost surely, 2^5251122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5961600).

5251122 is an abundant number, since it is smaller than the sum of its proper divisors (6672078).

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

5251122 is a wasteful number, since it uses less digits than its factorization.

5251122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2121 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 5251122 is about 2291.5326748707. The cubic root of 5251122 is about 173.8137126383.

Adding to 5251122 its reverse (2211525), we get a palindrome (7462647).

The spelling of 5251122 in words is "five million, two hundred fifty-one thousand, one hundred twenty-two".